US2961541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monitoring ionizing radiation
Assignee: Isomet Corp
•
Filing: 1952-08-13
•
Granted: 1960-11-22
•
Expires: 1972-08-13
Abstract
No abstract record available.
Inventors
- 👤 Irving W Ruderman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:50
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2308516A
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US2281579A
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US2340967A
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US2357238A
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US2501376A
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US2550107A
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US2551650A
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US2694152A
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US2706254A
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US2738426A
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US2739242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |