US2771814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple motor drive for cameras
Assignee: RCA Corp
•
Filing: 1952-04-30
•
Granted: 1956-11-27
•
Expires: 1972-04-30
Abstract
No abstract record available.
Inventors
- 👤 Warren R Ison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:13
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2166947A
Cited
US2244880A
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US2239241A
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US2345869A
Cited
US2487476A
Cited
US2529896A
Cited
US2542189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |