Patent US3428807A successfully refreshed from Google Patents.
US3428807A
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US
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High voltage supply for radiation detecting equipment
Assignee: Atomic Energy of Canada Ltd AECL
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Filing: 1965-03-01
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Granted: 1969-02-18
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Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Alun R Jones
- 👤 Dale A Gedcke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:52
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3385; G; G01; G01T; G01T1/00; G01T1/16; G01T1/17; G01T1/175
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |