US2834832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film drive apparatus
Assignee: RCA Corp
•
Filing: 1953-07-01
•
Granted: 1958-05-13
•
Expires: 1973-07-01
Abstract
No abstract record available.
Inventors
- 👤 Frank J Somers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:11
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/84; H04N5/843; H04N5/846; H04N3/00; H04N3/36; H04N3/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735333A
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US1716989A
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GB354170A
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DE564640C
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GB657294A
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US2496102A
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US2483149A
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US2499181A
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US2588813A
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DE867051C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |