US2590925A
Expired / Lapsed
US
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Proportional counter
Assignee: United States Atomic Energy Commission
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Filing: 1948-11-29
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Granted: 1952-04-01
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Expires: 1968-11-29
Abstract
No abstract record available.
Inventors
- 👤 Casimer J Borkowski
- 👤 Fairstein Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:19
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/18; H; H01; H01J; H01J47/00; H01J47/06
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) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |