US2515668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gating circuit for diversity receivers
Assignee: RCA Corp
•
Filing: 1945-12-05
•
Granted: 1950-07-18
•
Expires: 1965-12-05
Abstract
No abstract record available.
Inventors
- 👤 Robert E Schock
- 👤 John B Atwood
- 👤 Harold O Peterson
- 👤 Grant E Hansell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:45
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/02; H04L1/06; H04B; H04B7/00; H04B7/02; H04B7/04; H04B7/08; H04B7/0837
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1792312A
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US2211750A
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US2270449A
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GB540233A
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US2253832A
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US2282526A
Cited
US2253867A
Cited
US2447057A
Cited
US2383126A
Cited
US2414111A
Cited
US2384456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |