US2471219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoflash synchronizer with tripper-operated safety switch
Assignee: A F SMUCKLER
•
Filing: 1946-12-03
•
Granted: 1949-05-24
•
Expires: 1966-12-03
Abstract
No abstract record available.
Inventors
- 👤 Kennedy Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:51
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/0452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1997315A
Cited
CH163570A
Cited
US2081783A
Cited
US2234652A
Cited
US2297111A
Cited
US2314829A
Cited
US2321945A
Cited
US2308017A
Cited
US2328831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |