US2986696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for analyzing phase shifting networks
Assignee: Reeves Instrument Corp
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Filing: 1954-11-23
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Granted: 1961-05-30
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Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 Perry A Seay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:08
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/28; G01R27/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2285038A
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US2423463A
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US2414477A
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US2680836A
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US2448885A
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US2510087A
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US2483125A
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US2777114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |