Safety socket assembly
Patent 3942856 Issued on March 9, 1976. Estimated Expiration Date: 
March 9, 1993. 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.
March 9, 1993. 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 2610999 2770786 3775726 InventorsApplicationNo. 535486 filed on 12/23/1974US Classes:200/51.09, Coupling-actuated switch200/51R, COMBINED WITH OR ACTUATED BY CONNECTOR COUPLING439/188, HAVING CIRCUIT INTERRUPTING PROVISION EFFECTED BY MATING OR HAVING "DEAD" CONTACT ACTIVATED AFTER MATING439/346Adapted to engage contact of mating partExaminersPrimary: Lake, RoyAssistant: Goldberg, Howard N. Attorney, Agent or FirmAbstractSafety socket assembly for use with a conventional wall outlet for preventing injury to persons such as children who insert foreign objects into the socket. Energization of the socket is controlled by a set of contacts, and the socket can only be energized when a plug is inserted therein. Once the plug is inserted and the socket energized, the plug is locked in place and cannot be removed until the socket is deenergized. | |
