US2534606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double superheterodyne radio receiver
Assignee: Individual
•
Filing: 1945-08-25
•
Granted: 1950-12-19
•
Expires: 1965-08-25
Abstract
No abstract record available.
Inventors
- 👤 Kolster Muriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:33
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1647609A
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US1965539A
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US2064400A
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US2113157A
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US2154073A
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US2151810A
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US2186980A
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US2173898A
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US2211352A
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US2263613A
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US2245385A
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US2282092A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |