US2865765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preserving fresh produce in oriented film
Assignee: EIDP Inc
•
Filing: 1954-12-29
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Granted: 1958-12-23
•
Expires: 1974-12-29
Abstract
No abstract record available.
Inventors
- 👤 Albert S Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:34
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/04; A23B7/0425; A23B7/0433
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN THE PROCESS OF PRESERVING FRESH PRODUCE COMPRISING THE STEPS OF SUCCESSIVELY WASHING, BLANCHING, COOLING AND FREEZING THE PRODUCE, THE IMPROVEMENT WHICH COMPRISES ENCLOSING THE WASHED PRODUCE, PRIOR TO BLANCHING, IN A WRAPPER OF ORIENTED POLYETHYLENE TEREPHTHALATE FILM TO FORM A PACKAGE OF THE PRODUCE, AND THEREAFTER BLANCHING IN A MEDIUM SELECTED FROM THE CLASS CONSISTING OF HOT WATER AND STEAM, COOLING, AND FREEZING THE PACKAGED PRODUCE.
Claim 2
Dependent Claim
67 words
IN THE PROCESS OF PRESERVING FRESH PRODUCE COMPRISING THE STEPS OF SUCCESSIVELY WASHING, BLANCHING, COOLING AND FREEZING THE PRODUCE, THE IMPROVEMENT WHICH COMPRISES ENCLOSING THE WASHED PRODUCE, PRIOR TO BLANCHING, IN A WRAPPER OF ORIENTED POLYETHYLENE TEREPHTHALATE FILM TO FORM A PACKAGE OF THE PRODUCE, AND THEREAFTER BLANCHING IN A MEDIUM SELECTED FROM THE CLASS CONSISTING OF HOT WATER AND STEAM, COOLING, AND FREEZING THE PACKAGED PRODUCE.
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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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |