US3387236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving coil helical resonator
Assignee: General Electric Co
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Filing: 1966-06-29
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Granted: 1968-06-04
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Expires: 1986-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr David R Womack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:45
CPC Classifications
H; H03; H03H; H03H5/00; H03H5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A TUNABLE HELICAL RESONATOR COMPRISING (A) A CONDUCTIVE HOUSING DEFINING A CAVITY HAVING A WALL PORTION AND END PORTIONS, (B) A THREADED CORE OF DIELECTRIC MATERIAL EXTENDING INTO THE CAVITY, (C) A HELICAL CONDUCTOR DISPOSED ON SAID CORE AND COAXIAL WITH SAID CAVITY, SAID HELICAL CONDUCTOR HAVING A FREE END SPACED FROM ONE END OF SAID CAVITY TO FORM A CAPACITOR ELEMENT WITH SAID END, THE OTHER END OF SAID HELIX EXTENDING OUTSIDE OF SAID HOUSING, TO RESTRAIN ROTATION OF SAID HELIX,
Claim 2
Dependent Claim
82 words
A TUNABLE HELICAL RESONATOR COMPRISING (A) A CONDUCTIVE HOUSING DEFINING A CAVITY HAVING A WALL PORTION AND END PORTIONS, (B) A THREADED CORE OF DIELECTRIC MATERIAL EXTENDING INTO THE CAVITY, (C) A HELICAL CONDUCTOR DISPOSED ON SAID CORE AND COAXIAL WITH SAID CAVITY, SAID HELICAL CONDUCTOR HAVING A FREE END SPACED FROM ONE END OF SAID CAVITY TO FORM A CAPACITOR ELEMENT WITH SAID END, THE OTHER END OF SAID HELIX EXTENDING OUTSIDE OF SAID HOUSING, TO RESTRAIN ROTATION OF SAID HELIX,
References Cited (Backward Citations)
US3159803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |