US3294581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of collagen fiber material
Assignee: United Shoe Machinery Corp
•
Filing: 1965-06-14
•
Granted: 1966-12-27
•
Expires: 1985-06-14
Abstract
No abstract record available.
Inventors
- 👤 Laurence R B Hervey
- 👤 John R Starr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:18
CPC Classifications
C; C08; C08L; C08L89/00; C08L89/04; C08L89/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
THE PROCESS OF FORMING A TOUGH, FLEXIBLE MATERIAL WHICH COMPRISES THE STEPS OF APPLYING TO INTERMESHED OPEN FIBER MASS IN PENETRATING RELATION AN AQUEOUS SUSPENSION CONTAINING FROM ABOUT 1% TO ABOUT 5% BY WEIGHT BASED ON THE WEIGHT OF THE SUSPENSION OF SWOLLEN, DISTINCT, FINE, COLLAGEN FIBERS OF MICROSCOPIC SIZE TO CARRY SAID COLLAGEN FIBERS INTO THE INTERSTITAL SPACES OF SAID INTERMESHED FIBER MASS, SAID SUSPENSION CONTAINING AT LEAST ABOUT 1% BY WEIGHT OF DEACETYLATED KARAYA GUM BASED ON THE WEIGHT OF COLLAGEN FIBERS IN SAID SUSPENSION, SAID DEACETYLATED KARAYA GUM COOPERATING WITH SAID COLLAGEN FIBERS TO RESIST PACKING TOGETHER OF SAID COLLAGEN FIBERS, AND REMOVING THE SWELLING WATER FROM COLLAGEN FIBERS WITHIN SAID INTERMESHED FIBER MASS TO REAGGREGATE THAM INTO A LARGER COLLAGEN FIBER STRUCTURE WITHIN THE INTERSTITIAL SPACES THROUGHOUT SAID MASS OF INTERMESHED FIBERS TO REINFORCE SAID INTERMESHED FIBERS AGAINST DISPLACEMENT.
Claim 2
Dependent Claim
143 words
THE PROCESS OF FORMING A TOUGH, FLEXIBLE MATERIAL WHICH COMPRISES THE STEPS OF APPLYING TO INTERMESHED OPEN FIBER MASS IN PENETRATING RELATION AN AQUEOUS SUSPENSION CONTAINING FROM ABOUT 1% TO ABOUT 5% BY WEIGHT BASED ON THE WEIGHT OF THE SUSPENSION OF SWOLLEN, DISTINCT, FINE, COLLAGEN FIBERS OF MICROSCOPIC SIZE TO CARRY SAID COLLAGEN FIBERS INTO THE INTERSTITAL SPACES OF SAID INTERMESHED FIBER MASS, SAID SUSPENSION CONTAINING AT LEAST ABOUT 1% BY WEIGHT OF DEACETYLATED KARAYA GUM BASED ON THE WEIGHT OF COLLAGEN FIBERS IN SAID SUSPENSION, SAID DEACETYLATED KARAYA GUM COOPERATING WITH SAID COLLAGEN FIBERS TO RESIST PACKING TOGETHER OF SAID COLLAGEN FIBERS, AND REMOVING THE SWELLING WATER FROM COLLAGEN FIBERS WITHIN SAID INTERMESHED FIBER MASS TO REAGGREGATE THAM INTO A LARGER COLLAGEN FIBER STRUCTURE WITHIN THE INTERSTITIAL SPACES THROUGHOUT SAID MASS OF INTERMESHED FIBERS TO REINFORCE SAID INTERMESHED FIBERS AGAINST DISPLACEMENT.
References Cited (Backward Citations)
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US2838363A
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US2934446A
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US3073714A
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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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |