US3505987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intra-aortic heart pump
Assignee: Bayer Medical Care Inc
•
Filing: 1967-03-17
•
Granted: 1970-04-14
•
Expires: 1987-03-17
Abstract
No abstract record available.
Inventors
- 👤 Marlin S Heilman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:16
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/316; A61B5/318; A61B5/346; A61B5/349; A61B5/352; A61M; A61M60/00; A61M60/10; A61M60/122; A61M60/126; A61M60/135; A61M60/139; A61M60/148; A61M60/20; A61M60/295; A61M60/40; A61M60/497; A61M60/50; A61M60/508; A61M60/515; A61M60/531; A61M60/538; A61M60/80; A61M60/841; A61M60/247; A61M60/253; A61M60/268; A61M60/274
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3266487A
Cited
US3352303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |