Patent US2605397A successfully refreshed from Google Patents.
US2605397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio receiver for single side band signals
Assignee: Westinghouse Electric Corp
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Filing: 1950-02-25
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Granted: 1952-07-29
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Expires: 1970-02-25
Abstract
No abstract record available.
Inventors
- 👤 Robert C Cheek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:03
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/30; H04B1/302
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2189897A
Cited
US2214929A
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US2231368A
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US2236497A
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US2304977A
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US2462224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |