PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 249
 Class Title: STATIC MOLDS

Subclass  Subclass
Number    Title

  1       IN SITU CONSTRUCTION ENGINEERING TYPE OR BUILDING TYPE-MOLD OR
           FORM
  2       .Forming road, side walk, or curb in situ
  3       ..Including stake or stake mounting means
  4       ...Form having spaced walls defining mold space
  5       ....Including spacer cooperating with stake means to maintain
               walls apart
  6       ...And means to align forms end-to-end
  7       ...Means includes removable wedge engaging stake
  8       ..Integral curb and gutter by mold having three spaced form
             walls
  9       ..Joint forming means and adjuncts per se
  10      .Forming hydraulic and earth control type product in situ
  11      ..Culvert, waterway, pipe, or tunnel
  12      ...Culvert and header wall
  13      .Forming building structure
  14      ..Stair
  15      ..Providing surface facing on product, or existing structure,
             e.g., veneer, etc.
  16      ..Forming barrier having simulated plural modules
  17      ..Chimney
  18      ..Barrier or sustainer, e.g., wall, joist, etc.
  19      ...Including means to connect mold to existing building
              structure
  20      ....Progressive molding type
  21      .....Mold includes end plate
  22      .....Mold forms spaced walls, or hollow wall
  23      ....Means connecting flange of structural beam to support mold
  24      .....Adjustable centering mold, or mold having adjustable
                support
  25      .....Latch or clamp means including movable element engaging
                flange
  26      ...Plural barriers, or plural sustainers, or barrier and
              sustainer mold
  27      ....Intersecting barriers or sustainers, e.g., monolith
  28      ....Floor or ceiling with joist mold
  29      .....Including means to adjust joist mold size
  30      .....Including reinforcement support means
  31      .....Utilizing spaced cores of unitary construction transverse
                to joist
  32      ......Cores directly abutting
  33      ...Planar wall mold having opposed spaced panels
  34      ....On footing or forming wall and footing
  35      ....Panel including means or having shape to form recessed
               surface in major face of wall
  36      ....Including means for forming spaced oposed walls or hollow
               wall
  37      .....Means forming spaced hollow vertical shafts in wall
  38      .....Utilizing tie means for connecting formed opposed walls,
                i.e., preform uniting
  39      ....Including means transverse to panel to form opening through
               major face of wall, e.g., door, window, etc..
  40      ....Including panel spacing means extending between and through
               panels, e.g., tie rod
  41      .....Having weakened area to aid severing
  42      .....Spacer means within mold cavity having plural threadedly
                fastened sections
  43      .....Including sleeve surrounding spacer means engaging opposed
                faces of panels
  44      .....Panel having plural adjoining sections
  45      ......Including fastening means coacting with spacer means to
                 secure sections together
  46      .....Including wedge means engaging spacer means
  47      ....Panel having plural adjoining sections and means to secure
               together
  48      ...Column
  49      ....Molding surfaces overlapping for adjustment
  50      ...Beam or girder
  51      .Post in situ
  52      INCLUDING STATIC MEANS ON MOLDING DEVICE TO PRODUCE GROOVE OR
           DEPRESSION IN PRODUCT TO FACILITATE BREAKING OR CUTTING
  53 R    WITH STATIC GAGE, LEVEL, PLUMB, OR SCALE MARKINGS, ETC., ON
           MOLDING APPARATUS
  53 M    .Mortar
  54      DENTAL PROSTHODONTIC TYPE
  55      HAVING SURFACE SHAPED TO SIMULATE A PRODUCT OF NATURE
  56      FORMING VEHICULAR WHEEL
  57      FORMING RING TYPE PRODUCT
  58      FORMING RECEPTACLE AND DISPARATE PORTION, E.G., CUP AND HANDLE,
           TOILET STOOL, ETC.
  59      FORMING HELICAL OR THREADED PRODUCT
  60      FORMING GRID OR LATTICE TYPE PRODUCT
  61      INCLUDING DESTRUCTIBLE FEATURE
  62      .Destructible by heat or fusion
  63      MOLD INCLUDING CORE AND MEANS TO REMOVE CORE
  64      .Plural cores
  65      HAVING INFLATABLE ELEMENT
  66.1    INCLUDING MEANS TO APPLY FORCE TO REMOVE OR RELEASE PRODUCT
           FROM MOLD
  67      .Pin or sleeve means
  68      ..Having actuating means
  69      .Tray-like mold including grid
  70      ..Means mounted on or integral with tray-like mold
  71      ..Means mounted on or integral with grid
  72      ...Multi-part central longitudinal grid member
  73      ...Plural movably mounted levers
  74      .Means moves mold bottom through upstanding mold walls
  75      ..Means is bell-crank type lever arrangement
  76      ..To remove or release plural products
  77      .Scraper
  78      INCLUDING ELECTRIC HEATING MEANS
  79      INCLUDING MEANS WITHIN SURFACE TO CONFINE HEAT EXCHANGE MEDIUM
  80      .Mold part of particular material
  81      .Mold having plural mold cavities or plural molds with community
            feature
  82      INCLUDING MEANS TO ADJUST MOLD VOLUME DURING MOLDING
  83      UNITING PREFORM WITH MOLDING MATERIAL
  84      .Preform functions as partition means
  85      .Preform supported by partition and preform projects within mold
            cavitiess
  86      .Rail or railway type preform
  87      .Lining or coating a machine type-bearing or friction surface,
            e.g., babbitting
  88      ..Including adjustable feature or preform centering means
  89      .Pipe bell uniting to male end of pipe
  90      .Mold supported by and girdles preform
  91      .Including means other than mold surface to support preform
  92      ..Food product
  93      ..Means located outside mold cavity
  94      ...Preform also supported by hole or recess in mold wall
  95      .Split mold clamps and supports preform
  96      .Preform supported by hole or recess in mold wall or surface
  97      ..Hole extends through mold wall
  98      FORMING PRODUCT HAVING JOINT OR COUPLING
  99      .Lapped interfitted facing, alternating reversing identical
            facing, or keyways
  100     ..Tubular facing connected end to end, e.g., bell or spigot,
             etc.
  101     .Tongue and groove on same product
  102     PROVIDING SUBSTITUTION OF ALTERNATIVELY USED PARTS
  103     .Part having intelligence
  104     .Part having intaglio or cameo effect
  105     INCLUDING STATIC FILLING MEANS IN CONTACT WITH MOLD CAVITY
  106     .Sink head or hot top
  107     .Means includes single material inlet communicating with plural
            feed passages leading to single cavity
  108     .Means is separable funnel or hopper
  109     .Having inlet to cavity at or near bottom of cavity
  110     .Means include single material inlet communicating with plural
            cavities
  111     INCLUDING SOLID HEAT CONDUCTOR OR INSULATOR, I.E., CHILL OR
           INSULATOR
  112     INCLUDING REMOVABLE OR MOVABLE LINER
  113     .Foraminous
  114.1   INCLUDING COATING OR ADHERENT LAYER
  115     .Parting layer
  116     .Super-imposed metal layers
  117     CONTAINER-TYPE MOLDING DEVICE
  118     .Plural molds having common means to actuate a part of each
            mold
  119     .Plural article forming mold, or molds with community feature
  120     ..Including support, stand, or rack
  121     ..Including lid
  122     ..Including core
  123     ...Common to plural mold cavities
  124     ...Removably connected to mold surface
  125     ...Integral with removable mold surface or forming partition
  126     ..Vertically stacked mold
  127     ..Mold or mold part of flexible material to facilitate product
             removal
  128     ...Removable partition
  129     ..Having unitary partition common to and defining plural mold
             cavities
  130     ...Partition includes means providing communication between
              cavities
  131     ...Partition removable without mold disassembly
  132     ...Intersecting partitions
  133     ..Constructed to include an ambient air spacee
  134     .Of named component
  135     ..Metal
  136     .Mold bottom movable through upstanding mold walls to aid
            product removal
  137     .Having means enabling rotation of molding device, e.g., rocker,
            pivot, etc.
  138     ..Forming stereotype
  139     .Including means securing molding device to detachable, separate
            and distinct support
  140     .Forming module having spaced intaglio or cameo areas on major
            face of module
  141     .Including auxiliary port for transmission of fluid, i.e., vent
            or drain
  142     .And an inner removable core to form recess or opening
  143     ..Fence post
  144     ..Having inner and outer shells forming conduit-type product,
             receptacle-type product, or module
  145     ...Plural intersecting cores to produce product having
              intersecting passages
  146     ...Including non-molding means engaging internal portion of core
              to retain core spaced throughout its length
  147     ....Means is secured to core and engagable with a keeper opening
               in a wall of the molding device
  148     ....Means is exterior of and spanning molding space, e.g., tie
               bar, etc.
  149     .....Core spaced from bottom of mold cavity
  150     ...Inherently resilient core frictionally retained in position
              by its expansive or contractive force
  151     ...Core slidably removably engaging a hole in the wall of the
              molding device
  152     ...And means to expand or contact shell or core
  153     ....By bending or flexing molding face
  154     .Having opposed complementary arcuate surfaces with terminating
            end wall to for
  155     .Adjustable, forming different size or shaped product
  156     ..By change of number of mold surfaces
  157     ..By overlapping molding surfaces
  158     ..By mold wall movable transversely between walls of mold
  159     ..By means adjusting angular displacement of adjoining mold
             walls
  160     .Having plural mold sections
  161     ..With means to move section
  162     ...Means moves opposed sections simultaneously toward and away
              from each other
  163     ..Removable means to maintain assembled, i.e., knockdown
  164     ...Peripherally encircling means
  165     ...Wedge, pin, or bolt means
  166     ....Including locking means to prevent removal of wedge, bolt,
               or pin, e.g., nut, etc.
  167     ...Means include permanently associated movable element, e.g.,
              clamp
  168     ..Each with fastening means
  169     ...Movably secured to section
  170     ..Hinged sections
  171     ...Plural section hinged to common section
  172     ....Bottom section
  173     .Longitudinally split, resilient cylindrical mold having means
            to maintain in a contracted positionn
  174     .Forming ingot
  175     CORE (INTERNAL MOLD)
  176     .Plural spaced cores having community feature
  177     .Including means for attaching core to a support
  178     .Including means to expand or contract core
  179     ..Means bends or flexes molding face of core
  180     ..Means simultaneously moves plural molding sections of core
  181     ...Rotary means
  182     ..Rotary means, e.g., turnbuckle, etc.
  183     .Of resilient material capable of flexure to aid removal of core
            from product
  184     .Of plural sections
  185     ..Hinged sections
  186     ..Including frictionally secured means
  187.1   MOLD ELEMENT
  188     .In situ construction engineering or building type
  189     ..Form panel
  190     ...Including tie rod or means for positioning tie rod
  191     ....Including means to connect plural panel sections also mount
               tie rod
  192     ...Including means to connect abutting panel sections
  193     ....Consisting of shaping and retaining means disposed between
               sections
  194     ....Angularly arranged panel sections
  195     ....Pivoted means on one section engaging projection or recess
               of other section
  196     ....Means reciprocably engages apertures in each panel section
  197     .Sink head or hot top
  198     ..Including means permitting change in relative position of sink
             head or hot top on mold
  199     ..Including means reflecting heat to surface of melt
  200     ..Hollow for confining a heat producing or heat retaining
             medium
  201     ..Including internal, diverse, perimetric layer
  202     ..Adjuncts
  203     .Grid, e.g., ice tray type
  204     .Closure, e.g., top, stools, etc.
  205     MISCELLANEOUS MOLD ADJUNCTS
  206     .Splash control element
  207     .In situ construction engineering or building type
  208     ..Curb or step support
  209     ..Arch-like centering, e.g., culvert, tunnel, bridge, arch,
             etc.
  210     ..Barrier or sustainer type
  211     ...Including means to attached to flange of beam
  212     ...Adjustable support for dome shaped core
  213     ..Including tie
  214     ...Having weakened area to facilitate breaking
  215     ...Coiled or twisted wire
  216     ...Having means to maintain panels spaced apart
  217     ....Shaping means removably mounted on tie
  218     ....Sheet metal
  219.1   ..Clamp or bracket, per se
  219.2   ...Waler type
  *       *****************************
  *       DIGESTS
  *       *****************************
  DIG 1   Cake pann
  DIG 2   Paper core
  DIG 3   Swimming pool
  DIG 4   Test mold
  DIG 5   Hot top