US PATENT SUBCLASS 968 / 429
.~ By electromagnets [G04C 1/02]


Current as of: June, 1999
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968 /   HD   HOROLOGY

426  DD  WINDING MECHANICAL CLOCKS ELECTRICALLY (winding mechanically subclass 23; electrical winding of spring-driven arrangements for gramophones G11B 19/20) [G04C 1/00] {5}
429.~ By electromagnets [G04C 1/02] {3}
430  DD  .~.~> With snap-acting armature [G04C 1/02B] {1}
432  DD  .~.~> Having unipolar rotating armature (two-pole or multipole arrangements subclasses 434, 435, and 439) [G04C 1/02C]
433  DD  .~.~> With linearly moving armature [G04C 1/02D]