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US3538328A
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Scintillation-type ion detector employing a secondary emitter target surrounding the ion path
Assignee: Varian Medical Systems Inc
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Filing: 1968-03-04
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Granted: 1970-11-03
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Expires: 1988-03-04
Abstract
No abstract record available.
Inventors
- 👤 Yale E Strausser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:46
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/28; H; H01; H01J; H01J49/00; H01J49/02; H01J49/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2160798A
Cited
US3041453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |