Patent US2608649A successfully refreshed from Google Patents.
US2608649A
Expired / Lapsed
US
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Highly selective radio receiver
Assignee: Motorola Solutions Inc
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Filing: 1950-04-13
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Granted: 1952-08-26
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Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Magnuski Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:49
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/01; H03H7/0153; H03H7/0161; H03H7/17; H03H7/1708; H03H7/1741; H03H7/1775
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1746305A
Cited
US1762945A
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US1850973A
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US2272075A
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US2327866A
Cited
US2032675A
Cited
US2186980A
Cited
US2263634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |