US3078385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Klystron
Assignee: Varian Medical Systems Inc
•
Filing: 1954-07-20
•
Granted: 1963-02-19
•
Expires: 1974-07-20
Abstract
No abstract record available.
Inventors
- 👤 Harold E Sorg
- 👤 Donald H Preist
- 👤 Richard H Chamberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:01
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/18; H01J23/20; H01J23/207; H01P; H01P7/00; H01P7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A KYLSTRON COMPRISING A DRIFT TUBE HAVING SECTIONS WITH A GAP THEREBETWEEN, A CAVITY RESONATOR BRIDGING THE GAP AND COMPRISING A CYLINDRICAL CAVITY WITH ITS AXIS DISPOSED AT RIGHT ANGLES TO THE DRIFT TUBE AXIS, THE ENTIRE RESONATOR FORMING PART OF THE ENVELOPE, A CIRCULAR TUNING PLUNGER IN THE CAVITY RESONATOR ALONG SIDE THE GAP, SAID TUNING PLUNGER HAVING A DIAMETER SLIGHTLY SMALLER THAN THE DIAMETER OF SAID CAVITY RESONATOR AND HAVING A CYLINDRICAL SIDE WALL SPACE FROM AND EXTENDING ALONG THE CYLINDRICAL CAVITY FORMING AN OPEN-ENDED COAXIAL TRANSMISSION LINE HAVING A LENGTH APPROXIMATELY EQUAL TO THE QUARTER-WAVELENGTH IN THE OPERATING FREQUENCY RANGE OF SAID KLYSTRON TO PROVIDE A RADIO-FREQUENCY CHOKE, THE AXIS OF SAID PLUNGER BEING ALIGNED WITH THE AXIS OF SAID CYLINDRICAL CAVITY, SAID PLUNGER ACTING AS AN ELECTRICAL ENDWALL CONFINING THE RADIO-FREQUENCY FIELD IN SAID CAVITY, AND MEANS EXTERIOR OF SAID ENVELOPE FOR MOVING SAID PLUNGER ALONG ITS AXIS AND FOR MAINTAINING SAID SIDE WALL OF SAID PLUNGER SPACED FROM THE CYLINDRICAL INNER WALL OF SAID CAVITY WHEREBY ALL MOVING PARTS IN SAID ENVELOPE ARE SPACED FROM ALL OTHER PARTS.
Claim 2
Dependent Claim
183 words
A KYLSTRON COMPRISING A DRIFT TUBE HAVING SECTIONS WITH A GAP THEREBETWEEN, A CAVITY RESONATOR BRIDGING THE GAP AND COMPRISING A CYLINDRICAL CAVITY WITH ITS AXIS DISPOSED AT RIGHT ANGLES TO THE DRIFT TUBE AXIS, THE ENTIRE RESONATOR FORMING PART OF THE ENVELOPE, A CIRCULAR TUNING PLUNGER IN THE CAVITY RESONATOR ALONG SIDE THE GAP, SAID TUNING PLUNGER HAVING A DIAMETER SLIGHTLY SMALLER THAN THE DIAMETER OF SAID CAVITY RESONATOR AND HAVING A CYLINDRICAL SIDE WALL SPACE FROM AND EXTENDING ALONG THE CYLINDRICAL CAVITY FORMING AN OPEN-ENDED COAXIAL TRANSMISSION LINE HAVING A LENGTH APPROXIMATELY EQUAL TO THE QUARTER-WAVELENGTH IN THE OPERATING FREQUENCY RANGE OF SAID KLYSTRON TO PROVIDE A RADIO-FREQUENCY CHOKE, THE AXIS OF SAID PLUNGER BEING ALIGNED WITH THE AXIS OF SAID CYLINDRICAL CAVITY, SAID PLUNGER ACTING AS AN ELECTRICAL ENDWALL CONFINING THE RADIO-FREQUENCY FIELD IN SAID CAVITY, AND MEANS EXTERIOR OF SAID ENVELOPE FOR MOVING SAID PLUNGER ALONG ITS AXIS AND FOR MAINTAINING SAID SIDE WALL OF SAID PLUNGER SPACED FROM THE CYLINDRICAL INNER WALL OF SAID CAVITY WHEREBY ALL MOVING PARTS IN SAID ENVELOPE ARE SPACED FROM ALL OTHER PARTS.
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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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |