US3448486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking hinge
Assignee: LOCKING HINGE AND HARDWARE Mfg Inc
•
Filing: 1966-10-03
•
Granted: 1969-06-10
•
Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Donald L Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:39
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US104294A
Cited
US1166702A
Cited
US1563869A
Cited
US1683814A
Cited
US1782582A
Cited
US2500829A
Cited
US2637916A
Cited
US2926382A
Cited
US3015126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |