Manual of U.S. Patent Classification
as of June 30, 2000

Class
185
MOTORS: SPRING, WEIGHT, OR ANIMAL POWERED

Class definitions may be accessed by clicking on the class title, above.
Subclass definitions may be accessed by clicking on the subclass number, below.

Patents classified in a subclass may be accessed by clicking on the " " icon following the subclass number, below.

( please note that links to definitions and classified patents may not be available for some classes and subclasses )

For search strategies, please refer to the Classification Index Explanation of Data web page.

Subclass		Title
ClassTitle		===> MOTORS: SPRING, WEIGHT, OR ANIMAL POWERED
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
40R		. . With motor
41R		. . . Momentum type
41A		. . . . Engine starters
41C		. . . . . Centrifugal
41WW		. . . . . Wheel winds
40A		. . . Clock wind
40B		. . . Electric
40C		. . . Cradle
40D		. . . Sewing machine
40E		. . . Churns
40F		. . . Fans
40H		. . . Vehicles
40K		. . . Clocks
40L		. . . Advertising device
40M		. . . Phonograph
40S		. . . Razors
43		. . With overwinding preventer
44		. . With indicating means
45		. Spring mounting
		******************************
		DIGESTS
		******************************
DIG 1		Spring powered toys
DIG 2		Foreign digest

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Last Modified: 6 October 2000