US2832294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heart pump
Assignee: Motors Liquidation Co
•
Filing: 1954-02-18
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Granted: 1958-04-29
•
Expires: 1974-02-18
Abstract
No abstract record available.
Inventors
- 👤 Edward V Rippingille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:44
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/08; F04B9/12; F04B9/1207; F04B9/1222; A; A61; A61M; A61M60/00; A61M60/10; A61M60/104; A61M60/109; A61M60/30; A61M60/35; A61M60/40; A61M60/424; A61M60/427; A61M60/50; A61M60/508; A61M60/562; A61M60/80; A61M60/835; A61M60/837; A61M60/845; A61M60/851; F04B43/00; F04B43/08; F04B43/10; F04B43/113; A61M60/122; A61M60/126; A61M60/148; A61M60/43; A61M60/855; A61M60/89; A61M60/892; A61M60/894; A61M60/896; Y; Y10; Y10S; Y10S128/00; Y10S128/03; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US584091A
Cited
US2196993A
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US2291912A
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US2345693A
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US2405734A
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US2450751A
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US2578746A
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US2682057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |