Patent US3287673A successfully refreshed from Google Patents.
US3287673A
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Attenuator for suppressing high-order cavity resonances having a transverse electric component
Assignee: Individual
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Filing: 1965-03-15
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Granted: 1966-11-22
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Fred G Hammersand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:46
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/16; H01J; H01J23/00; H01J23/16; H01J23/18; H01J23/20; H01P7/00; H01P7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN ATTENUATOR FOR SUPRESSINGS PURIOUS CAVITY RESONANCES IN KLYSTRON TUBE RESONANT CAVITIES COMPRISING A PLURALITY OF LOOPS OF A LOSSY CONDUCTOR MATERIAL INTEGRALLY SECURED TO THE INNER SURFACE OF THE CAVITY WALL; SAID LOOPS BEING SPACED APART IN A PLANE PASSING THROUGH SAID CAVITY IN PERPENDICULAR RELATION TO THE AXIS OF THE TUBE.
Claim 2
Dependent Claim
53 words
AN ATTENUATOR FOR SUPRESSINGS PURIOUS CAVITY RESONANCES IN KLYSTRON TUBE RESONANT CAVITIES COMPRISING A PLURALITY OF LOOPS OF A LOSSY CONDUCTOR MATERIAL INTEGRALLY SECURED TO THE INNER SURFACE OF THE CAVITY WALL; SAID LOOPS BEING SPACED APART IN A PLANE PASSING THROUGH SAID CAVITY IN PERPENDICULAR RELATION TO THE AXIS OF THE TUBE.
References Cited (Backward Citations)
US2591695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |