US3052553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transparent food wrapper
Assignee: Olin Corp
•
Filing: 1959-07-01
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Granted: 1962-09-04
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Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Richard H Mckillip
- 👤 Richard Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:12
CPC Classifications
A; A23; A23B; A23B11/00; A23B11/10; A23B11/18; A23C; A23C19/00; A23C19/14; A23C19/16; A23C19/166; A23L; A23L19/00; A23L19/10; A23L19/12; A23L19/18; B; B65; B65B; B65B25/00; B65B25/001; B65D; B65D65/00; B65D65/38; B65D65/40; B65D81/00; B65D81/24; B65D81/28; C; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C11B5/0092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A TRANSPARENT FLEXIBLE WRAPPER FOR FOOD SUBSTANCES CONTAINING OILS AND FATS, CONSISTING ESSENTIALLY OF A TRANSPARENT CELLOPHANE BASE SHEET AND A TRANSPARENT POLYMERIC SURFACE LAYER SECURED TO SAID CELLOPHANE, SAID SURFACE LAYER CONTAINING ABOUT 1% TO 3% OF ITS WEIGHT OF A SYNERGISTIC ANTIOXIDANT CONSISTING OF SUBSTANTIALLY EQUAL PARTS OF PROPYL GALLATE, BUTYLATED HYDRXYTOLUENE AND CITRIC ACID, SAID LAYER BEING EFFECTIVE TO INHIBIT RANCIDITY OF SAID SUBSTANCES
Claim 2
Dependent Claim
67 words
A TRANSPARENT FLEXIBLE WRAPPER FOR FOOD SUBSTANCES CONTAINING OILS AND FATS, CONSISTING ESSENTIALLY OF A TRANSPARENT CELLOPHANE BASE SHEET AND A TRANSPARENT POLYMERIC SURFACE LAYER SECURED TO SAID CELLOPHANE, SAID SURFACE LAYER CONTAINING ABOUT 1% TO 3% OF ITS WEIGHT OF A SYNERGISTIC ANTIOXIDANT CONSISTING OF SUBSTANTIALLY EQUAL PARTS OF PROPYL GALLATE, BUTYLATED HYDRXYTOLUENE AND CITRIC ACID, SAID LAYER BEING EFFECTIVE TO INHIBIT RANCIDITY OF SAID SUBSTANCES
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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) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |