US3108595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retention catheter
Assignee: Individual
•
Filing: 1960-08-08
•
Granted: 1963-10-29
•
Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred P Overment
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:22
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/02; A61M25/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
146 words
A CATHETER COMPRISING AN ELONGATE OUTER TUBE OF FLEXIBLE MATERIAL HAVING A CLOSED END AND INCLUDING A PLURALITY OF ANGULARLY SPACED SIDE WALL SLOTS DEFINING AXIALLY EXTENDING WING PORTIONS, SAID WING PORTIONS BEING LOCATED ADJACENT THE CLOSED END OF SID OUTER TUBE AND ADAPTED TO ARCH RADIALLY OUTWARD FROM THE WALL OF SAID OUTER TUBE UPON ENDWISE CONTRACTION OF SAID OUTER TUBE, A FLEXIBLE TUBULAR INNER MEMBER DISPOSED WITHIN THE OUTER TUBE AND SECURED TO SAID OUTER TUBE AT THE CLOSED END THEREOF AND MOVABLE LONGITUDINALLY RELATIVE TO SAID OUTER TUBE FOR CONTRACTING AND EXTENDING THE OUTER TUBE IN THE LENGTHWISE DIRECTION TO ARCH AND RETRACT SAID WING PORTIONS RESPECTIVELY, SAID WING PORTIONS WHEN ARCHED DEFINING PASSAGEWAYS BETWEEN THEM LEADING TO THE INTERIOR OF SAID OUTER TUBE, SAID INNER MEMBER HAVING A PLURALITY OF SIDE WALL OPENINGS DISPOSED OPPOSITE SAID WING PORTION OF THE OUTER TUBE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |