US2804614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suppressed side-lobe radio receiving system
Assignee: Individual
•
Filing: 1951-02-23
•
Granted: 1957-08-27
•
Expires: 1971-02-23
Abstract
No abstract record available.
Inventors
- 👤 Luis W Alvarez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:02
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/2813
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2176469A
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US2354254A
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US2426183A
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US2456666A
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US2564694A
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US2493774A
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US2434253A
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US2508384A
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US2509207A
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US2476639A
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US2502317A
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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) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |