US PATENT SUBCLASS 968 / 39-- .~ By mechanical means, e.g., pneumatic motor, etc. (winding up with electric or electromechanical means subclass 425; liquid or gas driving mechanisms subclass 21; automatic winding up by wind power subclass 62) [G04B 3/12]

US PATENT SUBCLASS 968 / 39
.~ By mechanical means, e.g., pneumatic motor, etc. (winding up with electric or electromechanical means subclass 425; liquid or gas driving mechanisms subclass 21; automatic winding up by wind power subclass 62) [G04B 3/12]

968 /	HD	HOROLOGY

23	DD	NORMAL WINDING OF CLOCKWORKS BY HAND OR MECHANICALLY; WINDING UP SEVERAL MAINSPRINGS OR DRIVING WEIGHTS SIMULTANEOUSLY (see note attached to this subclass) {10}
39		.~ By mechanical means, e.g., pneumatic motor, etc. (winding up with electric or electromechanical means subclass 425; liquid or gas driving mechanisms subclass 21; automatic winding up by wind power subclass 62) [G04B 3/12]