US3541612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid actuated and regulated artificial implantable heart system
Assignee: HOMER C CARNEY
•
Filing: 1968-07-11
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Granted: 1970-11-24
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Expires: 1988-07-11
Abstract
No abstract record available.
Inventors
- 👤 Homer C Carney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:43
CPC Classifications
A; A61; A61M; A61M60/00; A61M60/40; A61M60/424; A61M60/427; A61M60/435; A61M60/10; A61M60/122; A61M60/196; A61M60/50; A61M60/508; A61M60/538; A61M60/554; A61M60/80; A61M60/855; A61M60/89; A61M60/894; A61M60/126; A61M60/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |