US2772172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film for packaging meats
Assignee: Goodyear Tire and Rubber Co
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Filing: 1951-08-29
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Granted: 1956-11-27
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Expires: 1971-08-29
Abstract
No abstract record available.
Inventors
- 👤 Clarence M Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:53
CPC Classifications
B; B65; B65B; B65B25/00; B65B25/06; B65B25/065; B65B25/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF PRESERVING THE RED COLOR OF FRESHLY CUT RED MEAT DUE TO THE RED BLOOD THEREIN WHILE PREVENTING FORMATION OF METHEMOGLOBIN THEREIN WHICH COMPRISES WRAPPING THE MEAT IN A SINGLE PLY OF TRANSPARENT FILM BETWEEN .0005 AND .0012 INCH THICK, CONSISTING ESSENTIALLY OF 25 TO 40 PARTS OF ESTER PLASTICIZER AND 100 PARTS RUBBER HYDROCHLORIDE WHICH IS COATED ON THE SURFACE ADJACENT THE MEAT WITH A HYDROPHILIC MATERIAL TO PREVENT FOGGING, WHICH FILM HAS A WATER-PROOF TRANSFER RATE BETWEEN TEN AND TWENTY FIVE GRAMS, AND AN OXYGENDIFFUSION RATE OF AT LEAST SUBSTANTIALLY 200 CUBIC CENTIMETERS.
Claim 2
Independent Claim
97 words
THE METHOD OF PRESERVING THE RED COLOR OF FRESHLY CUT RED MEAT DUE TO THE RED BLOOD THEREIN WHILE PREVENTING FORMATION OF METHEMOGLOBIN THEREIN WHICH COMPRISES WRAPPING THE MEAT IN A SINGLE PLY OF TRANSPARENT FILM BETWEEN .0005 AND .0012 INCH THICK, CONSISTING ESSENTIALLY OF 25 TO 40 PARTS OF ESTER PLASTICIZER AND 100 PARTS RUBBER HYDROCHLORIDE WHICH IS COATED ON THE SURFACE ADJACENT THE MEAT WITH A HYDROPHILIC MATERIAL TO PREVENT FOGGING, WHICH FILM HAS A WATER-PROOF TRANSFER RATE BETWEEN TEN AND TWENTY FIVE GRAMS, AND AN OXYGENDIFFUSION RATE OF AT LEAST SUBSTANTIALLY 200 CUBIC CENTIMETERS.
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) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |