Patent US3422274A successfully refreshed from Google Patents.
US3422274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation sensitive apparatus for sensing and counting
Assignee: EDWARD M COAN
•
Filing: 1964-06-01
•
Granted: 1969-01-14
•
Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Edward M Coan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:02
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/02; G01B11/026; G01B11/028; G02; G02B; G02B27/00; G02B27/40; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/101; G06M9/00; B; B65; B65H; B65H2301/00; B65H2301/50; B65H2301/54; B65H2301/541
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2525311A
Cited
US2816479A
Cited
US2872590A
Cited
US2894147A
Cited
US2908825A
Cited
US3001081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |