US PATENT SUBCLASS 968 / 28
.~ Winding up several mainsprings or driving weights simultaneously (driving mechanisms with several weights subclass 5; driving mechanisms with several mainsprings subclass 9; driving mechanisms with a mainspring and a secondary spring subclass 19; driving mechanisms with a mainspring driving weights subclass 20; winding up the striking mechanisms with the clockwork and vice versa subclass 228) [G04B 3/00G]

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
28.~ Winding up several mainsprings or driving weights simultaneously (driving mechanisms with several weights subclass 5; driving mechanisms with several mainsprings subclass 9; driving mechanisms with a mainspring and a secondary spring subclass 19; driving mechanisms with a mainspring driving weights subclass 20; winding up the striking mechanisms with the clockwork and vice versa subclass 228) [G04B 3/00G]