US PATENT SUBCLASS 968 / 739
.~ Devices for shaping or setting watch glasses (cutting watch glasses C03B 33/04; grinding and working of spectacle lenses and lenses B24B; working plastic materials in general B29B) [G04D 3/06]


Current as of: June, 1999
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968 /   HD   HOROLOGY

685  DD  WATCHMAKER'S OR WATCH-REPAIRER'S MACHINES OR TOOLS FOR WORKING MATERIALS (metal working in general Class B23) [G04D 3/00] {7}
739.~ Devices for shaping or setting watch glasses (cutting watch glasses C03B 33/04; grinding and working of spectacle lenses and lenses B24B; working plastic materials in general B29B) [G04D 3/06] {3}
740  DD  .~.~> Shaping without chipping away, e.g., by hot pressing or by punching out the whole piece from a plate, etc. [G04D 3/06B]
741  DD  .~.~> Shaping by removing material, e.g., cutting out from a plate, milling the edges, etc. [G04D 3/06C]
742  DD  .~.~> Setting or taking apart, whereby a temporary deformation of the glass may take place [G04D 3/06D]