US2735982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio frequency power comparator
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:45
CPC Classifications
G; G01; G01R; G01R21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2576943A
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US2564300A
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US2602157A
Cited
US2545994A
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US2562958A
Cited
US2628308A
Cited
US2596531A
Cited
US2532817A
Cited
US2593113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |