US3227915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid cooling of hollow tuner and radio frequency probe in klystron
Assignee: Varian Medical Systems Inc
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Filing: 1960-10-17
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Granted: 1966-01-04
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Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Martin E Levin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:32
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/005; H01J23/36; H01J23/40; H01J23/46; H01P; H01P1/00; H01P1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
A KLYSTRON COMPRISING AN ELECTRON GUN, A COLLECTOR, AN INTERACTION MEANS POSITIONED BETWEEN SAID GUN AND SAID COLLECTOR, SAID INTERACTION MEANS COMPRISING SPACED DRIFT TUBE SECTIONS FORMING GAPS THEREBETWEEN AND A CAVITY RESONATOR AROUND EACH GAP, A HOLLOW COUPLING LOOP IN THE ONE CAVITY RESONATOR CLOSEST TO SAID COLLECTOR, WALL MEANS AROUND THE DRIFT TUBE SECTION ADJACENT SAID ONE CAVITY RESONATOR AND FORMING A FIRST COOLING CHAMBER, FLUID CONDUIT MEANS CONNECTED TO ONE END OF SAID HOLLOW LOOP, AND THE OTHER END OF SAID LOOP OPENING INTO SAID FIRST CHAMBER.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |