US3151990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collagen casing
Assignee: Johnson and Johnson
•
Filing: 1961-06-05
•
Granted: 1964-10-06
•
Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 James T Mcknight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:38
CPC Classifications
A; A22; A22C; A22C13/00; A22C13/0013; A22C13/0016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
AN EDIBLE SUGAR-TREATED AND HEAT-CURED TRANSLUCENT CASING OF COHERED COLLAGEN FIBRILS DERIVED FROM UNLIMED HIDES CHARACTERIZED BY A COMBINED SWELL AND DEFORMATION OF NO LESS THAN 5.5% AND NO MORE THAN 14.4%.
Claim 2
Dependent Claim
32 words
AN EDIBLE SUGAR-TREATED AND HEAT-CURED TRANSLUCENT CASING OF COHERED COLLAGEN FIBRILS DERIVED FROM UNLIMED HIDES CHARACTERIZED BY A COMBINED SWELL AND DEFORMATION OF NO LESS THAN 5.5% AND NO MORE THAN 14.4%.
References Cited (Backward Citations)
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Cited
US2346417A
Cited
US2748774A
Cited
US2704259A
Cited
US2852812A
Cited
US2747228A
Cited
US2866710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |