US2570443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing products of animal fibers
Assignee: Akzo Nobel UK PLC
•
Filing: 1945-11-24
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Granted: 1951-10-09
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Expires: 1965-11-24
Abstract
No abstract record available.
Inventors
- 👤 James W Hall
- 👤 Jr John P Hollihan
- 👤 Frederick F Morehead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:42
CPC Classifications
A; A61; A61L; A61L17/00; A61L17/06; A61L17/08; D; D01; D01F; D01F4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A METHOD FOR MANUFACTURING PRODUCTS COMPRISING FIBERS WHICH OCCUR NATURALLY IN BEEF TENDONS WHICH COMPRISES CUTTING THE FIBERS TO A SELECTIVELY CONTROLLED LENGTH IN THE RANGE FROM 0.1 TO 5.0 MM., SUSPENDING THE CUT FIBERS IN A SWELLING LIQUID, AND FORMING THE SUSPENSION INTO PRODUCTS OF A PREDETERMINED SHAPE.
Claim 2
Independent Claim
49 words
A METHOD FOR MANUFACTURING PRODUCTS COMPRISING FIBERS WHICH OCCUR NATURALLY IN BEEF TENDONS WHICH COMPRISES CUTTING THE FIBERS TO A SELECTIVELY CONTROLLED LENGTH IN THE RANGE FROM 0.1 TO 5.0 MM., SUSPENDING THE CUT FIBERS IN A SWELLING LIQUID, AND FORMING THE SUSPENSION INTO PRODUCTS OF A PREDETERMINED SHAPE.
References Cited (Backward Citations)
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Cited
US1254031A
Cited
US1949111A
Cited
US1934413A
Cited
US1999641A
Cited
GB482628A
Cited
US2039262A
Cited
US2120851A
Cited
US2167251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |