Switch apparatus
Patent 4246452 Issued on January 20, 1981. Estimated Expiration Date: 
January 5, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 5, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3005055 3383487 3676615 3676616 3742157 3898421 Multi-contact push-button switch having plural prestressed contact members designed to provide plural circuit simultaneous switching inputs Miniaturized calculator keyboard switch assembly having universally pivoted key actuators Keyboard switch assembly having foldable printed circuit board, integral spacer and preformed depression-type alignment fold Flexible keyboard switch with integral spacer protrusions Patent #: 4145584 InventorAssigneeApplicationNo. 06/001237 filed on 01/05/1979US Classes:200/5A, With independent operators200/292, Printed circuit200/512, Membrane type200/517, Including additional actuator200/6A, Universally pivoted handle273/148B, All video game accessories341/20BODILY ACTUATED CODE GENERATORExaminersPrimary: Scott, J. R.Attorney, Agent or FirmInternational ClassesG06F 3/033 (20060101)G06F 3/02 (20060101) H01H 1/40 (20060101) H01H 1/12 (20060101) H01H 13/70 (20060101) H01H 13/702 (20060101) H01H 25/04 (20060101) AbstractA switch apparatus having first and second surfaces with conductive pattern segments thereon in proximate spaced overlying relation, each of the patterns being generally identical and having a circular array of alternating solid and interleaved conductive portion, one pattern being movable toward the other by tilting of a disc for providing a plurality of discrete signals.Other References
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