Patent US2697767A successfully refreshed from Google Patents.
US2697767A
Expired / Lapsed
US
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Coaxial switch
Assignee: GENERAL COMMUNICATION CO
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Filing: 1950-12-18
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Granted: 1954-12-21
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Expires: 1970-12-18
Abstract
No abstract record available.
Inventors
- 👤 Randolph E Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:17
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2426186A
Cited
US2360219A
Cited
US2435978A
Cited
US2432476A
Cited
US2475647A
Cited
US2599314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |