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.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any subclass letters capitalized. Currently Design Patent titles (those in the classes of the form Dxx.yy) are not retreivable.

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Class Number: 352
 Class Title: OPTICS: MOTION PICTURES

Subclass  Subclass
Number    Title

  1       WITH SOUND ACCOMPANIMENT
  2       .Cyclic motion pictures with sound (e.g., praxinoscopes
  3       .Sound stages, methods and accessories
  4       ..Prompters
  5       .Methods
  6       .Selectively operable plural records, recorders or reproducers
  7       ..With change-over control
  8       ..Plural sound or picture record selection
  9       ..Plural sound reproducers sequentially operable
  10      ..Plural sound transducers selectively operable
  11      .Sound allocation
  12      .Picture and sound synchronizing
  13      ..Manual control
  14      ..Loop control
  15      ..Sound record controls picture
  16      ...Control actuated by sound record
  17      ....Control signal carried by sound record
  18      ...By position of sound transducer of separate sound means
  19      ..Picture controls sound
  20      ...Control signal carried by picture record
  21      ..With independent speed regulation
  22      ..With synchronous starting
  23      ..With synchronizing indicator
  24      ...On picture and sound records
  25      .With picture and sound control systems
  26      .Common picture and sound record carrier systems
  27      ..Flexible strip type
  28      ...Common light source for picture and sound
  29      ...Spaced picture gate and sound transducers
  30      ....With damping
  31      .Separate picture and sound carrier systems
  32      ..Picture strip and groove-type sound disc or cylinder
  33      ...Interconnecting drive permits relative position adjustment
  34      .Housing and supports
  35      ..With acoustic isolation
  36      .Reproducer and screen arrangements
  37      .Picture and sound recorder carries
  38      METHODS
  39      .Applications (e.g., motion analysis, marksmanship training)
  40      .Exhibiting
  41      ..Controlling projector illumination
  42      ...With color filtration
  43      ..Enhancing relief illusion
  44      .Recording
  45      ..Photographing with light filtration
  46      ..With plural exposure of a single film
  47      ..With projected picture component
  48      ..With special scenery and staging effects
  49      ...Illuminating the subject
  50      ...Making a series of drawings (e.g., animation methods)
  51      ....Using photographic guides
  52      ....With manipulation of drawingss
  53      ...Moving camera position
  54      ...Manipulating puppet or mannequins
  55      ..Providing printed titles
  56      .Carrier treating or working
  57      STEREOSCOPIC CAMERAS AND/OR PROJECTORS
  58      .Interlineated
  59      .Plural film strip
  60      .Simultaneous recording or reproducing left-right images
  61      ..With image separation by special projection screen
  62      .Sequential recording or reproducing left-right images
  63      ..With image separation by synchronized viewer
  64      ..With reciprocating film stip carrier
  65      ..With pre-objective reflecting system
  66      COLOR CAMERAS AND/OR PROJECTORS USING MONOCHROME FILM
  67      .Simultaneously recorded or projected images
  68      RECORDING OR PROJECTING PICTURE IMAGE DURING CHANGE CYCLE OF
           PRECEDING PICTURE
  69      PANORAMIC PICTURE TYPE
  70      .Mosaic picture
  71      ..With vignetting
  72      REMOVABLE FILM STRIP MAGAZINE TYPE
  73      .Spool or magazine selective
  74      .With magazine ejecting
  75      .With light trap or occlusion
  76      ..Shutter type
  77      .With focal plane indexing
  78 R    .Magazines
  78 C    ..Coded signals on magazines
  79      WITH PLURAL PICTURE SIZES AND TYPES
  80      .Plural film width
  81      INTERLINEATED PICTURE TYPE
  82      WITH PICTURES IN TRANSVERSE ROWS
  83      WITH PICTURES IN PLURAL LONGITUDINAL COLUMNS
  84      TIME COMPRESSION OR EXPANSION (E.G., TIME LAPSE OR HIGH SPEED)
  85      SPECIAL EFFECTS
  86      .Depth illusion
  87      .Animation
  88      .Sets
  89      ..Projected picture component
  90      .Titling devices
  91 R    .Transition effects (e.g., wipes and dissolves)
  91 C    ..In a camera
  91 S    ...Film transport controlled
  92      WITH FILM CARRIED CONTROL SIGNALS
  93      CAMERA WITH PLURAL FIELDS OF VIEW
  94      CAMERA WITH DEFLECTED FIELD OF VIEW
  95      GUN-TYPE CAMERAS AND/OR PROJECTORS
  96      OPAQUE PROJECTORS
  97      WITH SUPERIMPOSED FILM STRIPS
  98      INDIVIDUAL PICTURE PLATE TYPE
  99      .Book leaf type (e.g., mutotropes)
  100     .Traveling observer
  101     PICTURE DRUM TYPE (E.G., AEOTROPES)
  102     PICTURE DISC TYPE
  103     .Spiral picture arrangement
  104     CABINET-TYPE PROJECTOR
  105     OPTICAL RECTIFIER TYPE
  106     .Scanning reflectors and refractorss
  107     .Rotating reflector disc
  108     .Rotating reflector drum
  109     .Reflector angularly displaced about fixed axis
  110     .Reflector displaced
  111     ..Plural reflectors
  112     ...With angular adjustment during displacement
  113     .Refractor
  114     ..Plural projection lenses
  115     ...With rotary carrier
  116     ..Plural refractor elements with rotary carrier
  117     ...Lenticular drum
  118     ...Lenticular disc
  119     ..Rotating plano parallel prism
  120     ...Plate type
  121     SEQUENTIALLY OPERATED STILL CAMERAS
  122     .With film severing or perforating means
  123     EXHIBITORS WITH PLURAL FILM STRIP SELECTION
  124     WITH REWINDING OF FILM STRIPS
  125     .During projection of another film strip
  126     WITH NONREWINDING FILM STRIP (E.G., ENDLESS FILM TYPE)
  127     .Zigzag or sinuous film support
  128     .Coil type
  129     FILM STRIP VIEWING APPARATUS
  130     WITH FILM TREATING OR WORKING
  131     COMBINED WITH DIVERSE-TYPE DEVICE
  132     .With manned vehicle
  133     PLURAL
  134     .Projectors with single light source
  135     .Projectors with alternately operable shutters
  136     COVERTIBLE
  137     .Still-motion camera
  138     .Camera-projector
  139     WITH CAMERA PARTS DISPLACEABLE FOR FOCUSING
  140     WITH FOCUS CONTROL
  141     WITH AUTOMATIC DIAPHRAGM CONTROL
  142     WITH SELECTION OF PLURAL LENSES
  143     WITH FILM STRIP FIRE PREVENTION OR ISOLATION
  144     .Fire trap
  145     ..With film severing
  146     .Film cooling
  147     ..Single frame projection
  148     ..By filters
  149     .Auxiliary fire shutter
  150     ..Film tension responsive
  151     ...Slack loop actuation
  152     ..Feed speed responsive
  153     ...Friction drive actuation
  154     ...Centrifugal actuation
  155     .Electrical circuit interrupted by film sensing means
  156     WITH CONCENTRIC REEL
  157     WITH THREADING STRUCTURE
  158     .Self-feeding type
  159     WITH LOOP FORMING
  160     WITH FRAMING AND/OR TRAVEL GHOST ELIMINATION
  161     .By alteration of film path length
  162     .By relative positioning of gate and drive
  163     .By rotation of film drive sprocket
  164     ..With shutter synchronizationn
  165     .Shutter adjustments
  166     CAMERA AND/OR PROJECTOR DRIVE MECHANISMS
  167     .With illumination control responsive to drive speed
  168     .Having plural or interchangeable drives
  169     .With single frame operation
  170     .With indicating means
  171     ..Visible in viewfinder
  172     ..Film footage
  173     .With reverse feed
  174     .With starting and/or stopping means
  175     ..Having timed run
  176     ..Responsive to camera or projector elements
  177     ...Shutter responsive
  178     ..Having manual controls
  179     ...Remotely operated
  180     .With speed regulation or selection
  181     ..By escapement
  182     ..By braking
  183     .With feeding belt film engagement
  184     .With continuous feed and intermittent film arresting means
  185     .With film beater
  186     .With reciprocating continuously driven carrier engaging
            sprocket
  187     .With intermittently driven carrier-engaging sprocket
  188     ..Cam actuated
  189     ..Geneva gear actuated
  190     ..Special type gearing
  191     .With film engaging claws reciprocally driven to engage film
  192     ..Crank pin actuated
  193     ...With pivoted link or arcuate slot guide
  194     ..Cam actuated
  195     ...Scroll type
  196     ...With single fixed pivot
  197     .With supporting structure
  198     PROJECTION LIGHT SOURCES
  199     .Synchronized with shutter
  200     .Intermittent light
  201     .Flicker reduction by auxiliary illumination
  202     .With ventilation and cooling
  203     .Projector illuminators
  204     SHUTTERS
  205     .With plural light paths
  206     ..Reflex view type
  207     .Rectilinearly movable
  208     .Rotary
  209     ..With speed-adjusted aperture size
  210     ..With apertured or radially deviating blade
  211     ..Ventilating
  212     ..With light modifying blades
  213     ...Color
  214     ..With axially spaced independently driven blades
  215     ...Counter rotatable
  216     ...Variable aperture size
  217     ....Dissolve
  218     ..With plural blades on spaced axis
  219     ..Single drive (e.g., disc type)
  220     ...Variable number of blades
  221     GATESS
  222     .Fluid pressure type
  223     .With pressure rollers
  224     .With edge guide
  225     .With reciprocating pressure plate
  226     .With removable aperture plate
  227     .With pressure plate tension control
  228     .With curved film plane
  229     .With gate moving and/or holding structure
  230     ..Closure-operated
  231     .With lens mounting
  232     PICTURE CARRIERS
  233     .Strip type
  234     ..Color
  235     ..With leader
  236     ..With film-carried indicia
  237     ..Reinforced
  238     ..Abrasion resistant
  239     ..With particular format (e.g., stereoscopic)
  240     ..With pictorial matter
  241     ..Perforation arrangement
  242     WITH HOUSING
  243     WITH SUPPORT
  244     MISCELLANEOUS