US3015033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for improving gain stability of photomultiplier tubes
Assignee: Jersey Production Research Co
•
Filing: 1957-04-15
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Granted: 1961-12-26
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Expires: 1977-04-15
Abstract
No abstract record available.
Inventors
- 👤 Nils L Muench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:33
CPC Classifications
H; H01; H01J; H01J43/00; H01J43/04; H01J43/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2686266A
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US2728863A
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US2889461A
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US2796531A
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US2903595A
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US2807723A
Cited
US2798165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |