Patent US3562793A successfully refreshed from Google Patents.
US3562793A
Expired / Lapsed
US
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Externally gas cooled windows for particle accelerators
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1967-08-01
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Granted: 1971-02-09
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Expires: 1987-08-01
Abstract
Abstract A PARTICLE ACCELERATOR EXIT WINDOW IS PROVIDED WITH MEANS TO DIRECT A LAMINAR FLOW OF GAS ACROSS THE EXTERNAL SURFACE OF THE WINDOW.
Inventors
- 👤 John David Mccann
- 👤 Robin Walter Ellecker Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:48
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/02; H01J5/18; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |