Patent US3495540A successfully refreshed from Google Patents.
US3495540A
Expired / Lapsed
US
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Atraumatic blood pump
Assignee: Individual
•
Filing: 1968-02-26
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Granted: 1970-02-17
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Expires: 1988-02-26
Abstract
No abstract record available.
Inventors
- 👤 Miles Lowell Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:39
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; A; A61; A61M; A61M60/00; A61M60/10; A61M60/104; A61M60/109; A61M60/113; A61M60/20; A61M60/247; A61M60/253; A61M60/268; A61M60/279; A61M60/30; A61M60/36; A61M60/37; A61M60/38; A61M60/40; A61M60/424; A61M60/438; A61M60/441; A61M60/443; A61M60/80; A61M60/845; A61M60/851; A61M60/855; A61M60/89; A61M60/892; F04B43/0009; F04B43/0054; F04B43/0072; F04B53/00; F04B53/10; F04B53/1002; A61M60/894
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2249806A
Cited
US2285974A
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US2698703A
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US3045601A
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US2922379A
Cited
CH350547A
Cited
US2925045A
Cited
US3403631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |