Patent US4856482A successfully refreshed from Google Patents.
Patent US3308402A successfully refreshed from Google Patents.
US3308402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cavity resonator apparatus
Assignee: Teledyne Inc
•
Filing: 1964-12-30
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Granted: 1967-03-07
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Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Grande
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:24
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A HIGH FREQUENCY CAVITY RESONATOR COMPRISING: A MAIN BODY MEMBER DEFINING A SUBSTANTIALLY CYLINDRICAL BORE THEREIN, MEANS FOR CLOSING THE ENDS OF SAID BORE TO DEFINE A RESONANT CAVITY WITHIN SAID MAIN BODY MEMBER, MEANS DEFINING A COUPLING OPENING THROUGH SAID BODY INTO SAID BORE FOR COUPLING ELECTROMAGNETIC ENERGY INTO OR FROM SAID BODY, WAVEGUIDE MEANS SECURED TO SAID MAIN BODY FOR CONDUCTING ELECTROMAGNETIC WAVE ENERGY TO OR FROM SAID RESONANT CAVITY THROUGH SAID COUPLING OPENING, A PLUG OF DIELECTRIC MATERIAL ROTATABLY POSITIONED WITHIN SAID COUPLING OPENING, AND AN ELONGATE ELECTRICALLY CONDUCTIVE MEMBER EMBEDDED WITHIN SAID PLUG, THE ORIENTATION OF SAID CONDUCTIVE MEMBER WITHIN SAID PLUG BEING SUCH THAT UPON ROTATION OF SAID PLUG IN SAID COUPLING OPENING THE POSITION OF SAID CONDUCTIVE MEMBER IS CHANGED THEREBY TO CHANGE THE ELECTROMAGNETIC WAVE COUPLING BETWEEN THE RESONANT CAVITY AND SAID WAVEGUIDE.
Claim 2
Dependent Claim
140 words
A HIGH FREQUENCY CAVITY RESONATOR COMPRISING: A MAIN BODY MEMBER DEFINING A SUBSTANTIALLY CYLINDRICAL BORE THEREIN, MEANS FOR CLOSING THE ENDS OF SAID BORE TO DEFINE A RESONANT CAVITY WITHIN SAID MAIN BODY MEMBER, MEANS DEFINING A COUPLING OPENING THROUGH SAID BODY INTO SAID BORE FOR COUPLING ELECTROMAGNETIC ENERGY INTO OR FROM SAID BODY, WAVEGUIDE MEANS SECURED TO SAID MAIN BODY FOR CONDUCTING ELECTROMAGNETIC WAVE ENERGY TO OR FROM SAID RESONANT CAVITY THROUGH SAID COUPLING OPENING, A PLUG OF DIELECTRIC MATERIAL ROTATABLY POSITIONED WITHIN SAID COUPLING OPENING, AND AN ELONGATE ELECTRICALLY CONDUCTIVE MEMBER EMBEDDED WITHIN SAID PLUG, THE ORIENTATION OF SAID CONDUCTIVE MEMBER WITHIN SAID PLUG BEING SUCH THAT UPON ROTATION OF SAID PLUG IN SAID COUPLING OPENING THE POSITION OF SAID CONDUCTIVE MEMBER IS CHANGED THEREBY TO CHANGE THE ELECTROMAGNETIC WAVE COUPLING BETWEEN THE RESONANT CAVITY AND SAID WAVEGUIDE.
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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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |