Patent US2072581A successfully refreshed from Google Patents.
US3527226A
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Ventricular catheter with valve and pump flushing means
Assignee: Cordis Corp
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Filing: 1966-02-03
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Granted: 1970-09-08
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Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 Salomon D Hakim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:13
CPC Classifications
A; A61; A61M; A61M27/00; A61M27/002; A61M27/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |