US3671111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biased hinge for spectacle frames
Assignee: Standard Optical Manufacturing Co
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Filing: 1970-10-12
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Granted: 1972-06-20
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Expires: 1990-10-12
Abstract
Abstract A BIASED HINGE, PARTICULARLY SUITED FOR JOINING THE TEMPLE ARMS OF SPECTACLE FRAMES TO THE LENS-ENGAGING MEANS OF SPECTACLE FRAMES. TWO HINGE PLATES ARE FASTENED TO THE MEMBERS TO BE JOINED AND HAVE KNUCKLE EARS WHICH EXTEND FROM EACH OF THE HINGE PLATES TO COACT AND FORM A HINGE BARREL. A HINGE TUBE IS DISPOSED WITHIN HINGE BARREL AND A RESILIENT MEANS IS POSITIONED WITHIN THE HINGE TUBE AND CONNECTED TO EACH OF THE HINGE PLATES TO BIAS THE HINGE IN THE DESIRED POSITION. A HINGE PIN EXTENDS THROUGH THE HINGE TUBE TO HOLD THE HINGE ASSEMBLY IN OPERATIVE POSITION.
Inventors
- 👤 Luke Okner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:12
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/22; G02C5/2218; G02C5/2227; G02C2200/00; G02C2200/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |