Patent US3414849A successfully refreshed from Google Patents.
US3414849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio frequency coaxial switches
Assignee: TRANSCO AND VARD NEWPORT A CA CORP
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Filing: 1966-05-16
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Granted: 1968-12-03
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Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 Jr William G Burt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:52
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/64; H01H50/643; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/125; H01H1/00; H01H1/12; H01H1/14; H01H1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2498907A
Cited
US2662142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |