Patent US2631279A successfully refreshed from Google Patents.
US2631279A
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US
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Error signal control circuit
Assignee: RCA Corp
•
Filing: 1949-06-21
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Granted: 1953-03-10
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Expires: 1969-06-21
Abstract
No abstract record available.
Inventors
- 👤 Waldon P Bollinger
- 👤 Sohon Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:12
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/44; G01S13/4436; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2150006A
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US2114298A
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US2413788A
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US2366618A
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US2429466A
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US2467361A
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US2509207A
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US2512702A
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US2508082A
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US2539127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |