US3069613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protection of rotating rectifier assemblies
Assignee: Westinghouse Electric Corp
•
Filing: 1959-07-01
•
Granted: 1962-12-18
•
Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Mark K Enns
- 👤 John W Skooglund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:31
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/06; H02H7/065; H02H7/08; H02H7/0805; H02K; H02K19/00; H02K19/16; H02K19/38; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2722652A
Cited
US2684461A
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US2802954A
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US2953693A
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US2905885A
Cited
US2969494A
Cited
US2913656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |