US3607312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing and preserving ready-to-eat foods
Assignee: WR Grace and Co
•
Filing: 1969-04-01
•
Granted: 1971-09-21
•
Expires: 1989-04-01
Abstract
Abstract A method of preparing and preserving ready-to-eat food comprising vacuum packaging the food in a gas tight pouch, cooking the food in the pouch by immersing in hot water, rapidly chilling the food to about 30* F. but not freezing, storing at 30* F. until needed for consumption, and heating in hot water to serving temperature. A food package substantially free of pathogens results from the method.
Inventors
- 👤 Charles Ambrosia Ready
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:24
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/30; A23B2/70; A23B2/704; A23B2/708; A23B2/80; A23B2/805; A23B2/8055; A23B4/00; A23B4/06; A23B4/066; A23B4/068
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
19 words
The method of claim 1 wherein both the larger and smaller pouch are constructed from flexible, laminated thermoplastic materials.
Claim 2
Dependent Claim
16 words
The method of claim 2 wherein both larger and smaller pouches are vacuum sealed by clipping.
Claim 3
Dependent Claim
29 words
The method of claim 2 wherein said pouches are heat sealable and the larger pouch is vacuum sealed by clipping and the smaller pouch is vacuum sealed by heat.
References Cited (Backward Citations)
US2623826A
Cited
US3262787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |