US2762297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed recorder
Assignee: RCA Corp
•
Filing: 1952-07-30
•
Granted: 1956-09-11
•
Expires: 1972-07-30
Abstract
No abstract record available.
Inventors
- 👤 John S Baer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:04
CPC Classifications
B; B41; B41J; B41J27/00; B41J27/10; B41J1/00; B41J1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US743812A
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US1855525A
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US2031063A
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US2077790A
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US2066179A
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US2267661A
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US2405714A
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US2467034A
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US2453239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |