US2695953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal mixing circuits
Assignee: RCA Corp
•
Filing: 1951-02-03
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Granted: 1954-11-30
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Expires: 1971-02-03
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Seabury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:01
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/54; G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/22; H03K5/00; H03K5/22; H03K5/24; H04; H04N; H04N5/00; H04N5/222; H04N5/262; H04N5/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2480837A
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US2324314A
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US2488448A
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US2441246A
Cited
US2532534A
Cited
US2538028A
Cited
US2502443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |