US3104416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eyeglass hinges
Assignee: BARKER ENGINEERING Corp
•
Filing: 1961-12-08
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Granted: 1963-09-24
•
Expires: 1981-12-08
Abstract
No abstract record available.
Inventors
- 👤 Virgil D Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:32
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/22; G02C2200/00; G02C2200/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN EYEGLASS HINGE COMPRISING TWO PORTIONS, (A) ONE SAID PORTION HAVING TWO BARRELS AND BEING AN INTEGRAL PIECE OF A FIRST MATERIAL HAVING THE FOLLOWING CHARACTERISTICS, (1) ELASTIC RECOVERY FROM SUBSTANTIAL DISTORTION BY COMPRESSIVE STRESS, (2) SUBSTANTIALLY RIGID BUT PLASTICALLY DEFORMABLE AND HAVING A LITTLE OR NO BRITTLENESS, (3) WEAR AND ABRASIVE RESISTANT, (4) TEMPERATURE STABLE UP TO A TEMPERATURE OF 212*F., AND (5) A COEFFICIENT OF FRICTION WHICH PERMITS TIGHTNESS BETWEEN THE BARRELS EVEN AFTER REPEATED USE, (B) THE OTHER OF SAID PORTIONS BEING AN INTEGRAL PIECE OF METAL HAVING ONE METAL BARREL MESHING WITH AND LYING BETWEEN THE BARRELS OF SAID FIRST MATERIAL, AND (C) A PINTLE PASSING THROUGH THE BARRELS, SAID PINTLE HAVING A HEAD ENGAGING ONE BARREL OF FIRST MATERIAL AND A THREADED PORTION ENGAGING THE OTHER BARREL OF FIRST MATERIAL.
Claim 2
Dependent Claim
135 words
AN EYEGLASS HINGE COMPRISING TWO PORTIONS, (A) ONE SAID PORTION HAVING TWO BARRELS AND BEING AN INTEGRAL PIECE OF A FIRST MATERIAL HAVING THE FOLLOWING CHARACTERISTICS, (1) ELASTIC RECOVERY FROM SUBSTANTIAL DISTORTION BY COMPRESSIVE STRESS, (2) SUBSTANTIALLY RIGID BUT PLASTICALLY DEFORMABLE AND HAVING A LITTLE OR NO BRITTLENESS, (3) WEAR AND ABRASIVE RESISTANT, (4) TEMPERATURE STABLE UP TO A TEMPERATURE OF 212*F., AND (5) A COEFFICIENT OF FRICTION WHICH PERMITS TIGHTNESS BETWEEN THE BARRELS EVEN AFTER REPEATED USE, (B) THE OTHER OF SAID PORTIONS BEING AN INTEGRAL PIECE OF METAL HAVING ONE METAL BARREL MESHING WITH AND LYING BETWEEN THE BARRELS OF SAID FIRST MATERIAL, AND (C) A PINTLE PASSING THROUGH THE BARRELS, SAID PINTLE HAVING A HEAD ENGAGING ONE BARREL OF FIRST MATERIAL AND A THREADED PORTION ENGAGING THE OTHER BARREL OF FIRST MATERIAL.
References Cited (Backward Citations)
GB540883A
Cited
US2305562A
Cited
US2428645A
Cited
US2587870A
Cited
US2828668A
Cited
US2802503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |