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US3515874A
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Method and apparatus employing an electron target and x-ray filter of the same chemical element for generating x-rays of prescribed energy
Assignee: Compagnie Generale de Radiologie SA
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Filing: 1967-06-13
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Granted: 1970-06-02
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Expires: 1987-06-13
Abstract
No abstract record available.
Inventors
- 👤 Jean Raymond Bens
- 👤 Jean-Claude Delarue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:30
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/50; A61B6/502; G; G03; G03B; G03B42/00; G03B42/02; G21; G21K; G21K1/00; G21K1/10; H; H01; H01J; H01J35/00; H01J35/02; H01J35/16; H01J35/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |