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
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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.
Class Number: 185 Class Title: MOTORS: SPRING, WEIGHT, OR ANIMAL POWERED Subclass Subclass Number Title 2 COMPOSITE 3 .Animal powered only 4 .Weight only 5 ..Escapement controlled 6 ..With weight raising means, (e.g., winding) 7 ...With motor 9 .Spring only 10 ..With winding means 11 ...With motor 12 ....Momentum type 13 ...With overwinding preventer 14 ...With indicating means 15 ANIMAL POWERED 15.5 .Pivoted seat 16 .Belt tread 17 .Drum tread 18 .Pivoted disk tread 19 .Sweep type 20 ..With driving or whipping means 21 ..Sweeps 22 ...Draft equalizers 23 ..Draft devices 24 .With driving or whipping means 25 .With anchor 27 WEIGHT 28 .Operator's weight 29 .Oscillating 30 ..Wave or irregular motion type 31 .Escapement controlled 32 .With weight raising means, (e.g., winding) 33 ..With motor 35 ..With overwinding preventer 36 ..With indicating means 37 SPRING 38 .Escapement controlled 39 .With winding means 40 R ..With motor 41 R ...Momentum type 41 A ....Engine starters 41 C .....Centrifugal 41 WW .....Wheel winds 40 A ...Clock wind 40 B ...Electric 40 C ...Cradle 40 D ...Sewing machine 40 E ...Churns 40 F ...Fans 40 H ...Vehicles 40 K ...Clocks 40 L ...Advertising device 40 M ...Phonograph 40 S ...Razorss 43 ..With overwinding preventer 44 ..With indicating means 45 .Spring mounting * ****************************** * DIGESTS * ****************************** DIG 1 Spring powered toys DIG 2 Foreign digest