US2477578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing device for camera shutters
Assignee: Individual
•
Filing: 1946-07-25
•
Granted: 1949-08-02
•
Expires: 1966-07-25
Abstract
No abstract record available.
Inventors
- 👤 George H Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:15
CPC Classifications
G; G04; G04F; G04F10/00; G04F10/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1946290A
Cited
US2314254A
Cited
US2274158A
Cited
US2261010A
Cited
US2376162A
Cited
US2301195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |