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US2595263A
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US
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Apparatus for measuring the phase shift between the input and output voltages of a circuit under test
Assignee: United States Department of the Navy
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Filing: 1946-04-12
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Granted: 1952-05-06
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Expires: 1966-04-12
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Ingalls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:51
CPC Classifications
G; G01; G01R; G01R25/00; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2077172A
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US2047782A
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US2183260A
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US2313699A
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US2285038A
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US2305614A
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US2416310A
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US2416517A
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US2432214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |