US3052805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving mechanism
Assignee: Westinghouse Electric Corp
•
Filing: 1957-09-30
•
Granted: 1962-09-04
•
Expires: 1977-09-30
Abstract
No abstract record available.
Inventors
- 👤 Bert T Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:36
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308435A
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US1847006A
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US2463409A
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DE940722C
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US2536089A
Cited
US2592496A
Cited
US2705762A
Cited
US2885126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |