US PATENT SUBCLASS 200 / 341
.~.~ Push button

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

237  DF  ELECTRIC SWITCH DETAILS {5}
329  DF  .~ Actuators {9}
341.~.~ Push button {4}
342  DF  .~.~.~> Including lost motion connection
343  DF  .~.~.~> Hinged button (e.g., piano key)
344  DF  .~.~.~> Mechanism to keep key level
345  DF  .~.~.~> Cap/stem and stem/housing details

DEFINITION

Classification: 200/341

Push button:

(under subclass 329) Subject matter wherein the operating structure comprises a push button element having a single

surface on which pressure can be exerted.

(1) Note. Included herein are push buttons with a single pushing surface or with two surfaces when the surfaces are coaxial.

(2) Note. Push buttons are also called keys or caps, often with the actual pushing surface called a keypad.

SEE OR SEARCH CLASS

400, Typewriting Machines,

472+, under appropriate titles for key-board or key lever actuating mechanisms.