US2514302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary blade shutter with flash lamp synchronizing switch
Assignee: Individual
•
Filing: 1946-03-02
•
Granted: 1950-07-04
•
Expires: 1966-03-02
Abstract
No abstract record available.
Inventors
- 👤 Aiken Thomas Mcg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:59
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1996592A
Cited
US1959596A
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US2117509A
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US2123112A
Cited
US2263045A
Cited
US2284486A
Cited
US2304035A
Cited
US2358941A
Cited
US2455365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |