Security cover for telephone line installation backboard and method of retrofitting the same
Patent 4823381 Issued on April 18, 1989. Estimated Expiration Date: 
September 22, 2006. 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.
September 22, 2006. 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 ReferencesInventorApplicationNo. 06/910002 filed on 09/22/1986US Classes:379/413.02, Network interface device (NLD)174/66, COVERS OR FACE PLATES248/551, WITH ANTI-THEFT OR ANTI-TAMPER MEANS361/627, Distribution or control panel board361/644, Including panel board361/826, Wire distribution (e.g., harness, rack, etc.)361/829, Frame379/327, Main or intermediate distribution frame379/397, Wire distribution439/133, WITH UNAUTHORIZED CONNECTION PREVENTER, E.G., KEY OR COMBINATION LOCK439/922TELEPHONE SWITCHBOARD PROTECTORExaminersPrimary: Ng, Jin F.Assistant: Byrd, Danita R. Attorney, Agent or FirmInternational ClassH05K 5/02 (20060101)AbstractA security cover for a conventional telephone installation backboard, characterized by use of a pair of mounting members rapidly attachable to the backboard, one of which includes a hinged door panel which may be pivoted toward and away from the other mounting member to provide selective access to the backboard. The pair of mounting members are so constructed to permit mounting the backboard without disturbing any existing wiring connections on the backboard and once installed, the hinged door panel may be locked in a close position to prohibit unauthorized access to wiring disposed on the backboard. | |
