Eyeglass locator system
Patent 5949516 Issued on September 7, 1999. Estimated Expiration Date: 
June 15, 2018. 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.
June 15, 2018. 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 3390938 3853393 Eye glasses Self-contained heads-up visual altimeter for skydiving Radio eyewear Patent #: 5606743 AbstractAn eyeglass locator system for locating misplaced eyeglasses having a frame and a pair of earpieces extending rearwardly from the frame, comprising a transmitter and a receiver portion. The transmitter is preferably keychain attachable, and produces a radio frequency signal when activated by means of a button. The receiver portion is located at the eyeglasses and produces and audible and/or visual alert in response to the radio frequency signal. The receiver portion is preferably either encapsulated within one or both of the earpieces at its distal end, or is located in a sleeve which is mounted over the distal end of one or more of the earpieces of an existing pair of eyeglasses. | |
