US2994769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scintillation counter
Assignee: Westinghouse Electric Corp
•
Filing: 1957-04-29
•
Granted: 1961-08-01
•
Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Sun Kuan-Han
- 👤 Frances A Pecjak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:26
CPC Classifications
G; G01; G01T; G01T3/00; G01T3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2344042A
Cited
US2534922A
Cited
US2853621A
Cited
US2799780A
Cited
US2783386A
Cited
US2899560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |