Patent US3176690A successfully refreshed from Google Patents.
US3176690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catheter having integral, polymeric flanges
Assignee: Individual
•
Filing: 1961-05-26
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Granted: 1965-04-06
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Doubler Peter B H
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:41
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/02; A61M2025/0286; Y; Y10; Y10S; Y10S128/00; Y10S128/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A TUBULAR CATHETER ADAPTED TO BE INSERTED IN A PATIENT, SAID CATHETER HAVING A CYLINDRICAL OUTER WALL AND AN EXTERNAL FLANGE INTEGRALLY SECURED TO SAID OUTER CYLINDRICAL WALL AND PROJECTING RADIALLY OUTWARDLY THEREFROM, SAID FLANGE BEING CONSTRUCTED OF A POLYMERIC MATERIAL, SAID POLYMERIC MATERIAL BEING COMPOATIBLE WITH AND DISSOLVABLE IN THE BODY TISSUES.
Claim 2
Dependent Claim
53 words
A TUBULAR CATHETER ADAPTED TO BE INSERTED IN A PATIENT, SAID CATHETER HAVING A CYLINDRICAL OUTER WALL AND AN EXTERNAL FLANGE INTEGRALLY SECURED TO SAID OUTER CYLINDRICAL WALL AND PROJECTING RADIALLY OUTWARDLY THEREFROM, SAID FLANGE BEING CONSTRUCTED OF A POLYMERIC MATERIAL, SAID POLYMERIC MATERIAL BEING COMPOATIBLE WITH AND DISSOLVABLE IN THE BODY TISSUES.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |