US2697776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoflash attachment for hand cameras
Assignee: Individual
•
Filing: 1950-06-12
•
Granted: 1954-12-21
•
Expires: 1970-06-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Wale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:13
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1035739A
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US1398278A
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US1430827A
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US1832277A
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US2096856A
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CH185986A
Cited
US2115898A
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US2329011A
Cited
US2459546A
Cited
US2584912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |