US2515055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diversity receiver
Assignee: RCA Corp
•
Filing: 1946-05-31
•
Granted: 1950-07-11
•
Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Harold O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:39
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/02; H04L1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2004107A
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US2089409A
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US2253832A
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US2249425A
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US2282526A
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US2290992A
Cited
US2253867A
Cited
US2388052A
Cited
US2333335A
Cited
US2441661A
Cited
US2420868A
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) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |