Patent US2632792A successfully refreshed from Google Patents.
US2632792A
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System for measuring phase distortion in transmission networks, particularly cables
Assignee: Compagnie Industrielle des Telephones SA
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Filing: 1948-02-26
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Granted: 1953-03-24
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Expires: 1968-02-26
Abstract
No abstract record available.
Inventors
- 👤 Selz Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:26
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1645618A
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US2047782A
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US2214130A
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US2285038A
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US2337540A
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US2324215A
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US2337541A
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US2364190A
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US2401411A
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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) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |