US3425847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing an edible tubular collagen casing
Assignee: Continental Group Inc
•
Filing: 1967-09-25
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Granted: 1969-02-04
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Expires: 1987-09-25
Abstract
No abstract record available.
Inventors
- 👤 Robert D Talty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:47
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/10; A23J3/00; A23J3/22; A23J3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2920000A
Cited
US2971814A
Cited
US3071477A
Cited
US3123481A
Cited
US3123482A
Cited
US3194865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |