US3284557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for crimping an artificial implant for use in an animal body
Assignee: Ethicon Inc
•
Filing: 1962-12-20
•
Granted: 1966-11-08
•
Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Polansky Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:20
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/14; A61L27/22; A61L27/24; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61L27/18; A61F2310/00; A61F2310/00005; A61F2310/00365; Y; Y10; Y10S; Y10S623/00; Y10S623/901; Y10S623/915; Y10S623/916; Y10S623/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE PROCESS OF FORMING AN ARTIFICIAL IMPLANT WHICH IS ELASTIC AND NON-KINKING WHEN FLEXED COMPRISING THE STEPS OF: CRIMPING A TUBE COMPOSED OF BEEF TENDON COLLAGEN WHICH SAID COLLAGEN HAS BEEN PURIFIED BY ENZYMATIC REMOVAL OF ELASTIN FOLLOWED BY ACID SWELLING; SETTING THE TUBE WHILE IN THE CRIMPED CONDITION WITH WATER AT A TEMPERATURE OF FROM 40*C. TO 100*C. FOR BETWEEN ABOUT ONE AND ABOUT 20 MINUTES; AND, DRYING THE CRIMPED TUBE.
Claim 2
Dependent Claim
72 words
THE PROCESS OF FORMING AN ARTIFICIAL IMPLANT WHICH IS ELASTIC AND NON-KINKING WHEN FLEXED COMPRISING THE STEPS OF: CRIMPING A TUBE COMPOSED OF BEEF TENDON COLLAGEN WHICH SAID COLLAGEN HAS BEEN PURIFIED BY ENZYMATIC REMOVAL OF ELASTIN FOLLOWED BY ACID SWELLING; SETTING THE TUBE WHILE IN THE CRIMPED CONDITION WITH WATER AT A TEMPERATURE OF FROM 40*C. TO 100*C. FOR BETWEEN ABOUT ONE AND ABOUT 20 MINUTES; AND, DRYING THE CRIMPED TUBE.
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |