US2833923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hunting a. f. c. system
Assignee: General Electric Co
•
Filing: 1955-10-13
•
Granted: 1958-05-06
•
Expires: 1975-10-13
Abstract
No abstract record available.
Inventors
- 👤 Wolf J Gruen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:17
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/10; H03L7/12; H04; H04N; H04N9/00; H04N9/44; H04N9/455
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2287925A
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US2434294A
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US2492018A
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US2541454A
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US2725476A
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US2775703A
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US2794910A
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US2777064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |