US PATENT SUBCLASS 70 / 388
.~.~ Key ejecting
Current as of: June, 1999
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DEFINITION
Classification:        70/388  
(under subclass 336) Devices including a mechanism which  forcibly ejects the key upon completion of the function of  the key.  
SEE OR SEARCH THIS CLASS, SUBCLASS: 
414, for keys embodying ejecting features.