Patent US3378379A successfully refreshed from Google Patents.
US3378379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food casing and method of producing same
Assignee: Union Carbide Corp
•
Filing: 1966-07-08
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Granted: 1968-04-16
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Expires: 1986-07-08
Abstract
No abstract record available.
Inventors
- 👤 Edward A Shiner
- 👤 Herman S Chiu
- 👤 Frank T Kambara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:14
CPC Classifications
A; A22; A22C; A22C13/00; A22C13/0003; A22C13/0013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2181329A
Cited
US2657132A
Cited
US2711961A
Cited
US2686725A
Cited
US2826500A
Cited
US2986489A
Cited
US3135613A
Cited
US3239491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |