US3337673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uniformly corrugated prosthesis and process of making same
Assignee: United States Catheter and Instrument Corp
•
Filing: 1965-12-20
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Granted: 1967-08-22
•
Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Norman C Jeckel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:50
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PROCESS FOR CORRUGATING A SMOOTH FLEXIBLE INERT TUBULAR PROSTHESIS COMPRISING AN INTEGRAL, 3/16 TO 1 1/4 INCH DIAMETER, TUBULAR-SHAPED, SEAMLESS GRAFT OF POROUS FABRIC ON A ROD, WRAPPING SAID GRAFT AT SPACED INTERVALS WITH AN INERT FILAMENT, REDUCING THE LENGTH OF SAID WRAPPED GRAFT ON SAID ROD BY BRINGING THE ENDS TOWARD THE LONGITUDINAL CENTER UNTIL CORRUGATIONS FORM IN SAID INTER-FILAMENT SPACES, FIXING SAID GRAFT IN SAID CORRUGATED POSITION, AND MAINTAINING A POROUS CONDITION OF SAID GRAFT DURING SAID PROCESS.
Claim 2
Dependent Claim
81 words
A PROCESS FOR CORRUGATING A SMOOTH FLEXIBLE INERT TUBULAR PROSTHESIS COMPRISING AN INTEGRAL, 3/16 TO 1 1/4 INCH DIAMETER, TUBULAR-SHAPED, SEAMLESS GRAFT OF POROUS FABRIC ON A ROD, WRAPPING SAID GRAFT AT SPACED INTERVALS WITH AN INERT FILAMENT, REDUCING THE LENGTH OF SAID WRAPPED GRAFT ON SAID ROD BY BRINGING THE ENDS TOWARD THE LONGITUDINAL CENTER UNTIL CORRUGATIONS FORM IN SAID INTER-FILAMENT SPACES, FIXING SAID GRAFT IN SAID CORRUGATED POSITION, AND MAINTAINING A POROUS CONDITION OF SAID GRAFT DURING SAID PROCESS.
References Cited (Backward Citations)
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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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |