US3518033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extracorporeal heart
Assignee: ROBERT M ANDERSON
•
Filing: 1969-08-22
•
Granted: 1970-06-30
•
Expires: 1989-08-22
Abstract
No abstract record available.
Inventors
- 👤 Robert M Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; F04B43/082; A; A61; A61M; A61M60/00; A61M60/10; A61M60/104; A61M60/117; A61M60/122; A61M60/165; A61M60/178; A61M60/20; A61M60/247; A61M60/253; A61M60/268; A61M60/279; A61M60/284; A61M60/30; A61M60/36; A61M60/38; A61M60/40; A61M60/424; A61M60/438; A61M60/441; A61M60/443; A61M60/446; A61M60/80; A61M60/845; A61M60/851; A61M60/853; A61M60/855; A61M60/89; A61M60/892
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3097366A
Cited
US2105200A
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US2412397A
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GB669809A
Cited
US2689530A
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US2917751A
Cited
US2922379A
Cited
US3007416A
Cited
US3180272A
Cited
US3359910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |