Patent US2176671A successfully refreshed from Google Patents.
US3096560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for synthetic vascular implants
Assignee: Individual
•
Filing: 1958-11-21
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Granted: 1963-07-09
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Expires: 1978-11-21
Abstract
No abstract record available.
Inventors
- 👤 William J Liebig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:03
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2002/065; Y; Y10; Y10S; Y10S623/00; Y10S623/902; Y10S623/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE PROCESS FOR MAKING PROSTHETIC VASCULAR IMPLANTS WHICH COMPRISES WEAVING A TUBULAR BLANK OF MULTIFILAMENT SYNTHEIC WRAP AND FILLING YARNS, MOISTENING AND PASSING THE WOVEN BLANK ONTO A CYLINDRICAL HEAT-EXPANSIBLE MANDREL OF FULL FILLING DIAMETRAL SIZE, PROGRESSIVELY AXIALLY COMPRESSNG THE BLANK THEREON AND SIMULTANEOUSLY CREATING A LONGITUDINAL ARRAY OF CIRCUMFERENTIAL PLEAT-FORMING CRIMPS OF MAXIMUM EXTERNAL PROJECTIVE EXTERNAL LESS THAN A RADIUS OF THE TUBE AND COMPACTING CONTIGUOUS CRIMPS INTO GENERAL TOUCHING RELATION OF THE RADIAL WALLS THEREOF FOR FORMING THE BLANK INTO AN EXTERNALLY MICRO-CRIMPED IMPLANT TUBE OF APPROXIMATELY ONE-FOURTH THE INITIAL BLANK LENGTH, HEATING THE ASSEMBLY OF MANDREL-CARRIED MICROCRIMPED IMPLANT IN THE PRESENCE OF MOISTURE, COOLING SAID
Claim 2
Dependent Claim
108 words
THE PROCESS FOR MAKING PROSTHETIC VASCULAR IMPLANTS WHICH COMPRISES WEAVING A TUBULAR BLANK OF MULTIFILAMENT SYNTHEIC WRAP AND FILLING YARNS, MOISTENING AND PASSING THE WOVEN BLANK ONTO A CYLINDRICAL HEAT-EXPANSIBLE MANDREL OF FULL FILLING DIAMETRAL SIZE, PROGRESSIVELY AXIALLY COMPRESSNG THE BLANK THEREON AND SIMULTANEOUSLY CREATING A LONGITUDINAL ARRAY OF CIRCUMFERENTIAL PLEAT-FORMING CRIMPS OF MAXIMUM EXTERNAL PROJECTIVE EXTERNAL LESS THAN A RADIUS OF THE TUBE AND COMPACTING CONTIGUOUS CRIMPS INTO GENERAL TOUCHING RELATION OF THE RADIAL WALLS THEREOF FOR FORMING THE BLANK INTO AN EXTERNALLY MICRO-CRIMPED IMPLANT TUBE OF APPROXIMATELY ONE-FOURTH THE INITIAL BLANK LENGTH, HEATING THE ASSEMBLY OF MANDREL-CARRIED MICROCRIMPED IMPLANT IN THE PRESENCE OF MOISTURE, COOLING SAID
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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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |