US2935413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Procollagen material
Assignee: Armour and Co
•
Filing: 1958-05-26
•
Granted: 1960-05-03
•
Expires: 1978-05-26
Abstract
No abstract record available.
Inventors
- 👤 Veis Arthur
- 👤 Cohen Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:08
CPC Classifications
D; D01; D01F; D01F4/00; C; C09; C09H; C09H1/00; C09H1/04; Y; Y10; Y10S; Y10S128/00; Y10S128/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A MANAFACTURED PRODUCT COMPRISING A MATERIAL EXHIBITING REVERSIBLE SYNERESIS AND OPTICAL BRIEFRINGENCE, SAID MATERIAL BEING COMPOSED ESSENTIALLY OF A FIBRILLAR NETWORK, THE FIBRILS FORMING SAID NETWORK BEING SELECTED FROM THE GROUP CONSISTING OF PROCOLLAGEN FIBRILS AND MIXTURES THEREOF WITH COLLAGEN FIBRILS AND HAVING CROSS STRIATIONS, SAID STRIATIONS HAVING A PERIODICITY OF 600-650 A. WHEN VEIWED BY MEANS OF AN ELECTRON MICROSCOPE.
Claim 2
Dependent Claim
61 words
A MANAFACTURED PRODUCT COMPRISING A MATERIAL EXHIBITING REVERSIBLE SYNERESIS AND OPTICAL BRIEFRINGENCE, SAID MATERIAL BEING COMPOSED ESSENTIALLY OF A FIBRILLAR NETWORK, THE FIBRILS FORMING SAID NETWORK BEING SELECTED FROM THE GROUP CONSISTING OF PROCOLLAGEN FIBRILS AND MIXTURES THEREOF WITH COLLAGEN FIBRILS AND HAVING CROSS STRIATIONS, SAID STRIATIONS HAVING A PERIODICITY OF 600-650 A. WHEN VEIWED BY MEANS OF AN ELECTRON MICROSCOPE.
References Cited (Backward Citations)
US1990121A
Cited
US2631942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |