US2496218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for determining radiation dosage
Assignee: Individual
•
Filing: 1947-12-16
•
Granted: 1950-01-31
•
Expires: 1967-12-16
Abstract
No abstract record available.
Inventors
- 👤 Kieffer Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:02
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02; G01T1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE222027C
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US1953249A
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GB325080A
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US1917433A
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US2251265A
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US2258593A
Cited
US2286748A
Cited
US2399650A
Cited
US2426884A
Cited
US2426286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |