US2863779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing shrimp in frozen condition
Assignee: Individual
•
Filing: 1954-08-20
•
Granted: 1958-12-09
•
Expires: 1974-08-20
Abstract
No abstract record available.
Inventors
- 👤 Karl C Envoldsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:54
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/06; A23B4/066; A23B4/068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A METHOD FOR PACKAGING SHRIMP SO THAT IT CAN BE STOED UNDER ORDINARY REFRIGERATION CONDITIONS FOR SUBSTANTIAL PERIODS, SAID METHID COMPRISING COOKING THE SHRIMP, RAPIDLY COOLING IST AND PACKING IT INTO RIGID AIR-IMPERMEABLE CONTIANER HAVING STTRENGTH SUFFICIENT TO WITHSTAND SUBSTANTIALLY REDUCED PRESSURE, SUBJECTING SAID CONTAINER AND SAID SHRIMP TO A VACUUM SO THAT THE PRESSURE ON THE SHRIMP IS REDUCED TO A PRESSURE NOT IN EXCESS OF 10 INCHES OF MERCURY, SEALING THE CONTAINER TO MAINTAIN THE SHRIMP UNDER SUCH REDUCED PRESSURE, AND STORING SAID CONTAINERS UNDER REFRIGERATED CONDITIONS.
Claim 2
Independent Claim
89 words
A METHOD FOR PACKAGING SHRIMP SO THAT IT CAN BE STOED UNDER ORDINARY REFRIGERATION CONDITIONS FOR SUBSTANTIAL PERIODS, SAID METHID COMPRISING COOKING THE SHRIMP, RAPIDLY COOLING IST AND PACKING IT INTO RIGID AIR-IMPERMEABLE CONTIANER HAVING STTRENGTH SUFFICIENT TO WITHSTAND SUBSTANTIALLY REDUCED PRESSURE, SUBJECTING SAID CONTAINER AND SAID SHRIMP TO A VACUUM SO THAT THE PRESSURE ON THE SHRIMP IS REDUCED TO A PRESSURE NOT IN EXCESS OF 10 INCHES OF MERCURY, SEALING THE CONTAINER TO MAINTAIN THE SHRIMP UNDER SUCH REDUCED PRESSURE, AND STORING SAID CONTAINERS UNDER REFRIGERATED CONDITIONS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |