US2950342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal separation circuits
Assignee: General Electric Co
•
Filing: 1954-06-28
•
Granted: 1960-08-23
•
Expires: 1974-06-28
Abstract
No abstract record available.
Inventors
- 👤 Henry E Revercomb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:07
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2295346A
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US2339856A
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US2356141A
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US2647161A
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US2651675A
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US2672505A
Cited
US2673892A
Cited
US2784249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |