Patent US3108357A successfully refreshed from Google Patents.
US3108357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compound absorbable prosthetic implants, fabrics and yarns therefor
Assignee: Individual
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Filing: 1962-06-20
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Granted: 1963-10-29
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 William J Liebig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:12
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/14; A61L27/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
53 words
A PROSTHETIC TUBULAR GRAFT FOR SURGICAL IMPLANTATION IN ANIMALS AND HUMANS, COMPRISING A FLEXIBLE FABRIC TUBE HAVING THE WALL THEREOF FORMED OF INTERLACED TEXTILE STRANDS SOME OF WHICH CONTAIN COMPONENTS CONSISTING OF OXIDIZED CELLULOSE ABSORBABLE BY BIOLOGIC PROCESSES IN A HOST PATIENT, THE REMAINDER OF THE FABRIC WALL BEING OF NONABSORBABLE TISSUE-COMPATIBLE COMPOSITION.
Claim 2
Dependent Claim
53 words
A PROSTHETIC TUBULAR GRAFT FOR SURGICAL IMPLANTATION IN ANIMALS AND HUMANS, COMPRISING A FLEXIBLE FABRIC TUBE HAVING THE WALL THEREOF FORMED OF INTERLACED TEXTILE STRANDS SOME OF WHICH CONTAIN COMPONENTS CONSISTING OF OXIDIZED CELLULOSE ABSORBABLE BY BIOLOGIC PROCESSES IN A HOST PATIENT, THE REMAINDER OF THE FABRIC WALL BEING OF NONABSORBABLE TISSUE-COMPATIBLE COMPOSITION.
Claim 3
Dependent Claim
83 words
IN THE MANUFACTURE OF TUBULAR VASCULAR IMPLANTS, THE PROCESS COMPRISING THE STEPS OF FASHIONING A CIRCUMFERENTIALLY CONTINUOUS FABRIC TUBE BY INTERLACING TISSUE-COMPATIBLE TEXTILE STRANDS TO FORM A LONGITUDINALLY EXTENSIVE FLEXIBLE CYLINDRICAL WALL OF MINIMAL INITIAL POROSITY, SOME OF SAID STRANDS BEING AT LEAST IN PART OF AN OXIDIZABLE CELLULOSIC COMPOSITION, AND AFTER FABRICATION OF SUCH TUBE SUBJECTING THE SAME TO CONTROLLED OXIDATION FOR CONVERTING THE BASIC CELLULOSE MOLECULES INTO OXIDIZED CELLULOSE OF HIGH HEMOSTRATIC CAPACITY AND READILY ABSORBABLE IN HUMAN AND ANIMAL TISSUES.
Claim 4
Dependent Claim
83 words
IN THE MANUFACTURE OF TUBULAR VASCULAR IMPLANTS, THE PROCESS COMPRISING THE STEPS OF FASHIONING A CIRCUMFERENTIALLY CONTINUOUS FABRIC TUBE BY INTERLACING TISSUE-COMPATIBLE TEXTILE STRANDS TO FORM A LONGITUDINALLY EXTENSIVE FLEXIBLE CYLINDRICAL WALL OF MINIMAL INITIAL POROSITY, SOME OF SAID STRANDS BEING AT LEAST IN PART OF AN OXIDIZABLE CELLULOSIC COMPOSITION, AND AFTER FABRICATION OF SUCH TUBE SUBJECTING THE SAME TO CONTROLLED OXIDATION FOR CONVERTING THE BASIC CELLULOSE MOLECULES INTO OXIDIZED CELLULOSE OF HIGH HEMOSTRATIC CAPACITY AND READILY ABSORBABLE IN HUMAN AND ANIMAL TISSUES.
References Cited (Backward Citations)
US2836181A
Cited
US2978787A
Cited
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 |