US2909096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse operated camera
Assignee: PHOTOGRAPHIC ANALYSIS Inc
•
Filing: 1955-01-24
•
Granted: 1959-10-20
•
Expires: 1975-01-24
Abstract
No abstract record available.
Inventors
- 👤 John S Barnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:40
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB244081A
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US1850955A
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US1912535A
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DE640188C
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DE854881C
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US2408528A
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US2451452A
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US2506649A
Cited
US2588813A
Cited
US2607262A
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US2649015A
Cited
GB702691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |