US2478641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Document-operated camera control
Assignee: Individual
•
Filing: 1945-11-05
•
Granted: 1949-08-09
•
Expires: 1965-11-05
Abstract
No abstract record available.
Inventors
- 👤 Rose Samuel
- 👤 Rose Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:50
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1957889A
Cited
US1966348A
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US2011272A
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US2107074A
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US2201009A
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US2235844A
Cited
US2292825A
Cited
US2291006A
Cited
US2329919A
Cited
US2355268A
Cited
US2380034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |