US2828423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation detector device
Assignee: Pgac Dev Co
•
Filing: 1950-07-22
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Granted: 1958-03-25
•
Expires: 1970-07-22
Abstract
No abstract record available.
Inventors
- 👤 Serge A Scherbatskoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:04
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2534932A
Cited
US2559219A
Cited
US2517404A
Cited
US2666145A
Cited
US2573200A
Cited
US2686266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |