Patent US2965776A successfully refreshed from Google Patents.
US2965776A
Expired / Lapsed
US
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Sealed submersible motor and process of making same
Assignee: US Electrical Motors Inc
•
Filing: 1957-08-08
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Granted: 1960-12-20
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Expires: 1977-08-08
Abstract
No abstract record available.
Inventors
- 👤 Edward J Bluth
- 👤 Frederick O Luenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:21
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/128; H02K5/1285; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2258064A
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US2318095A
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US2340452A
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US2519588A
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US2573126A
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US2654848A
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US2745778A
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US2721280A
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US2809310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |