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Patent US3514218A successfully refreshed from Google Patents.
US3514218A
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Single acting follower heart assist device
Assignee: United States Atomic Energy Commission
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Filing: 1968-12-24
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Granted: 1970-05-26
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Expires: 1988-12-24
Abstract
No abstract record available.
Inventors
- 👤 Charles A Maher Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:30
CPC Classifications
A; A61; A61M; A61M60/00; A61M60/80; A61M60/855; A61M60/89; A61M60/894; A61M60/10; A61M60/104; A61M60/117; A61M60/122; A61M60/165; A61M60/178; A61M60/40; A61M60/424; A61M60/427; A61M60/50; A61M60/508; A61M60/515; A61M60/531; A61M60/538; A61M60/554; A61M60/845; A61M60/851; A61M60/892; A61M60/126; A61M60/148; A61M60/20; A61M60/247; A61M60/253; A61M60/268; A61M60/869
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3101058A
Cited
US3298320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |