Patent US3423056A successfully refreshed from Google Patents.
US3423056A
Expired / Lapsed
US
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Camera lock for connecting a camera to tripod
Assignee: WELT/SAFE-LOCK Inc A CORP OF FL
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Filing: 1966-10-11
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Granted: 1969-01-21
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Expires: 1986-10-11
Abstract
No abstract record available.
Inventors
- 👤 David I Welt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:57
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/20; F16M11/2007; F16M11/2014; F16M11/24; F16M11/242; F16M13/00; F16M2200/00; F16M2200/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1629579A
Cited
US2615664A
Cited
US2514313A
Cited
US2536170A
Cited
US2765138A
Cited
US2717138A
Cited
US2897928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |