US2881328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for detecting radiation
Assignee: US Philips Corp
•
Filing: 1954-04-16
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Granted: 1959-04-07
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Expires: 1974-04-16
Abstract
No abstract record available.
Inventors
- 👤 Hendee Charles Franklin
- 👤 Fine Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:50
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2316361A
Cited
US2349753A
Cited
US2443731A
Cited
US2706793A
Cited
US2563333A
Cited
US2573823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |