US PATENT SUBCLASS 178 / 110
.~ Finger buttons


Current as of: June, 1999
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101  DF  KEYS {9}
110.~ Finger buttons


DEFINITION

Classification: 178/110

(under subclass 101) Inventions involving the structure or arrangements of the finger buttons or manipulating handles of telegraph keys.

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104, for modifications of finger button structure adapted to self-closing keys.