Patent US2911575A successfully refreshed from Google Patents.
US2911575A
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US
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Selenium and like rectifier stack
Assignee: Tinnerman Products Inc
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Filing: 1955-09-01
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Granted: 1959-11-03
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Expires: 1975-09-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Raymond A Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:12
CPC Classifications
H; H10; H10W; H10W90/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2665399A
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US2712102A
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US2167270A
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US2520725A
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US2570514A
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US2798271A
Cited
US2747167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |