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US2546734A
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Remotely controlled flash unit
Assignee: STROBO RES
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Filing: 1947-03-19
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Granted: 1951-03-27
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Expires: 1967-03-19
Abstract
No abstract record available.
Inventors
- 👤 Edward R Farber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:07
CPC Classifications
F; F21; F21K; F21K5/00; F21K5/02; F21K5/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2162337A
Cited
US2269338A
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US2408764A
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US2336633A
Cited
US2411531A
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US2432084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |