US3504662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intra-arterial blood pump
Assignee: KONTROL CARDIOVASCULAR Inc
•
Filing: 1967-05-16
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Granted: 1970-04-07
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Expires: 1987-05-16
Abstract
No abstract record available.
Inventors
- 👤 Robert T Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:18
CPC Classifications
A; A61; A61M; A61M60/00; A61M60/40; A61M60/497; A61M60/10; A61M60/122; A61M60/126; A61M60/135; A61M60/139; A61M60/20; A61M60/295; A61M60/80; A61M60/841; A61M60/843; A61M25/00; A61M25/10; A61M2025/1043; A61M2025/1072; A61M60/247; A61M60/253; A61M60/268; A61M60/274
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US612724A
Cited
US2493326A
Cited
US2849001A
Cited
US2855934A
Cited
US3266487A
Cited
US3316895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |