US3534409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implantable circulatory support system
Assignee: United States Atomic Energy Commission
•
Filing: 1968-06-10
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Granted: 1970-10-20
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Expires: 1988-06-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Lance
- 👤 Richard K Disney
- 👤 Allen Selz
- 👤 Peter O Tauson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:12
CPC Classifications
A; A61; A61M; A61M60/00; A61M60/20; A61M60/247; A61M60/253; A61M60/258; A61M60/10; A61M60/104; A61M60/117; A61M60/122; A61M60/268; A61M60/279; A61M60/40; A61M60/424; A61M60/427; A61M60/457; A61M60/462; A61M60/80; A61M60/855; A61M60/861; A61M60/871; A61M60/89; A61M60/894
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3379191A
Cited
US3434162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |