US3227904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collector for electron beam tube
Assignee: Varian Medical Systems Inc
•
Filing: 1962-04-09
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Granted: 1966-01-04
•
Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Martin E Levin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:52
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN AN ELECTRON TUBE, A FLUID-COOLED ELECTRODE ELEMENT COMPRISING A HOLLOW BODY HAVING A CYLINDRICAL SIDE WALL DISPOSED ABOUT A LONGITUDINAL AXIS, A MULTIPLICITY OF ELONGATED CIRCUMFERENTIALLY SPACED PARALLEL PROJECTIONS ON THE CYLINDRICAL SIDE WALL DEFINING AXIALLY EXTENDING CHANNELS THROUGH WHICH A FLUID COOLANT MAY FLOW, SELECTED ONES OF SAID CIRCUMFERENTIALLY SPACED PROJECTIONS DEFINING NONCOMMUNICATING SETS OF SAID CHANNELS, TWO ADJACENT OF SAID SELECTED PROJECTIONS HAVING DISPOSED THEREBETWEEN THREE INTERMEDIATE PROJECTIONS ARRANGED TO PROVIDE TWO PAIR OF ADJACENT PARALLEL CHANNELS SERIALLY INTERCOMMUNICATED WITH EACH OTHER, JACKET MEANS SURROUNDING SAID BODY TO ENCLOSE SAID CHANNELS, AND MEANS CONNECTING THE SEPARATE SETS OF CHANNELS IN PARALLEL CONNECTION WITH A SOURCE OF FLUID COOLANT.
Claim 2
Dependent Claim
111 words
IN AN ELECTRON TUBE, A FLUID-COOLED ELECTRODE ELEMENT COMPRISING A HOLLOW BODY HAVING A CYLINDRICAL SIDE WALL DISPOSED ABOUT A LONGITUDINAL AXIS, A MULTIPLICITY OF ELONGATED CIRCUMFERENTIALLY SPACED PARALLEL PROJECTIONS ON THE CYLINDRICAL SIDE WALL DEFINING AXIALLY EXTENDING CHANNELS THROUGH WHICH A FLUID COOLANT MAY FLOW, SELECTED ONES OF SAID CIRCUMFERENTIALLY SPACED PROJECTIONS DEFINING NONCOMMUNICATING SETS OF SAID CHANNELS, TWO ADJACENT OF SAID SELECTED PROJECTIONS HAVING DISPOSED THEREBETWEEN THREE INTERMEDIATE PROJECTIONS ARRANGED TO PROVIDE TWO PAIR OF ADJACENT PARALLEL CHANNELS SERIALLY INTERCOMMUNICATED WITH EACH OTHER, JACKET MEANS SURROUNDING SAID BODY TO ENCLOSE SAID CHANNELS, AND MEANS CONNECTING THE SEPARATE SETS OF CHANNELS IN PARALLEL CONNECTION WITH A SOURCE OF FLUID COOLANT.
References Cited (Backward Citations)
US2871397A
Cited
US3098165A
Cited
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 |