US3047761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation detector tubes
Assignee: McGraw Edison Co
•
Filing: 1959-03-24
•
Granted: 1962-07-31
•
Expires: 1979-03-24
Abstract
No abstract record available.
Inventors
- 👤 Dennis H Howling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:09
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899582A
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US2141655A
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US2524100A
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US2715195A
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US2666157A
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US2844433A
Cited
US2908839A
Cited
GB771707A
Cited
US2800383A
Cited
US2901625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |