US Patent Class 185
MOTORS: SPRING, WEIGHT, OR ANIMAL POWERED




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Current as of: June, 1999
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  DF  CLASS NOTES
2  DF  COMPOSITE
3  DF  .~ Animal powered only
4  DF  .~ Weight only
5  DF  .~.~ Escapement controlled
6  DF  .~.~ With weight raising means, (e.g., winding)
7  DF  .~.~.~ With motor
9  DF  .~ Spring only
10  DF  .~.~ With winding means
11  DF  .~.~.~ With motor
12  DF  .~.~.~.~ Momentum type
13  DF  .~.~.~ With overwinding preventer
14  DF  .~.~.~ With indicating means
15  DF  ANIMAL POWERED
15.5  DF  .~ Pivoted seat
16  DF  .~ Belt tread
17  DF  .~ Drum tread
18  DF  .~ Pivoted disk tread
19  DF  .~ Sweep type
20  DF  .~.~ With driving or whipping means
21  DF  .~.~ Sweeps
22  DF  .~.~.~ Draft equalizers
23  DF  .~.~ Draft devices
24  DF  .~ With driving or whipping means
25  DF  .~ With anchor
27  DF  WEIGHT
28  DF  .~ Operator's weight
29  DF  .~ Oscillating
30  DF  .~.~ Wave or irregular motion type
31  DF  .~ Escapement controlled
32  DF  .~ With weight raising means, (e.g., winding)
33  DF  .~.~ With motor
35  DF  .~.~ With overwinding preventer
36  DF  .~.~ With indicating means
37  DF  SPRING
38  DF  .~ Escapement controlled
39  DF  .~ With winding means
40 R  DF  .~.~ With motor
41 R  DF  .~.~.~ Momentum type
41 A  DF  .~.~.~.~ Engine starters
41 C  DF  .~.~.~.~.~ Centrifugal
41 WW  DF  .~.~.~.~.~ Wheel winds
40 A  DF  .~.~.~ Clock wind
40 B  DF  .~.~.~ Electric
40 C  DF  .~.~.~ Cradle
40 D  DF  .~.~.~ Sewing machine
40 E  DF  .~.~.~ Churns
40 F  DF  .~.~.~ Fans
40 H  DF  .~.~.~ Vehicles
40 K  DF  .~.~.~ Clocks
40 L  DF  .~.~.~ Advertising device
40 M  DF  .~.~.~ Phonograph
40 S  DF  .~.~.~ Razors
43  DF  .~.~ With overwinding preventer
44  DF  .~.~ With indicating means
45  DF  .~ Spring mounting
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DIGESTS
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DIG 1  DD  Spring powered toys
DIG 2  DD  Foreign digest