US3242360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible motor with plural cooling paths
Assignee: Centrilift Hughes Inc
•
Filing: 1961-02-09
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Granted: 1966-03-22
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Expires: 1981-02-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Carle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:31
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/58; F04D29/586; H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2315917A
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US2285436A
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US2568548A
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US2736825A
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FR1087959A
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US2894155A
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US2938131A
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US2951165A
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US2974240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |