US PATENT SUBCLASS 968 / 278
.~.~ Metal step-bearings [G04B 31/00C3]


Current as of: June, 1999
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968 /   HD   HOROLOGY

271  DD  BEARINGS; POINT SUSPENSIONS, OR COUNTER-POINT SUSPENSIONS; PIVOT BEARINGS; SINGLE PARTS THEREFOR (bearings in general F16C; manufacture and composition of springs subclass 11; suspension of oscillating weights subclass 54; suspension of a pendulum subclass 105; devices for fixation of bearing jewels, bearings, sleeves, etc., subclass 735; bearings for electrical measurement apparatus G01R 1/10, 1/12, 11/12, 11/14; inserting jewels A44C 17/04; inserting cutting diamonds B23P 5/00) [G04B 31/00] {6}
276  DD  .~ Metal bearings [G04B 31/00C] {2}
278.~.~ Metal step-bearings [G04B 31/00C3]