US3704284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray position detector
Assignee: California Institute of Technology
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Filing: 1970-12-04
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Granted: 1972-11-28
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Expires: 1990-12-04
Abstract
Abstract A set of proportional counters has been arranged into an array which can detect and indicate the position of an X-ray interaction within the array, in the X-Y plane.
Inventors
- 👤 Gordon Garmire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:58
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/29; G01T1/2914; G01T1/2921; G01T1/2935; H; H01; H01J; H01J47/00; H01J47/06
Claims Analysis
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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) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |