US2676943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film for packaging red meats
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1950-08-18
•
Granted: 1954-04-27
•
Expires: 1970-08-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence M Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:02
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65B; B65B25/00; B65B25/06; B65B25/065; B65B25/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A NON-BLOCKING TRANSPARENT VINYL POLYMER FILM FROM .0007 TO .0012 INCH THICK CONTAINING 30 TO 35 PARTS OF A NON-TOXIC LIQUID PLASTICIZER AND 5 PARTS OF SILICA AEROGEL, THE PARTS BEING PER 100 PARTS OF FILM-FORMING POLYMER, THE VINYL POLYMER RESULTING FROM THE POLYMERIZATION OF A MIXTURE CONTAINING 90 TO 100 PARTS OF VINYL CHLORIDE AND 0 TO 10 PARTS OF ANOTHER POLYMERIZABLE MONO-OLEFINIC COMPOUND, THE FILM HAVING A WATER VAPOR TRANSFER RATE OF 9 TO 16 GRAMS OF WATER PER 100 SQUARE INCHES PER 24 HOURS AND AN OXYGEN DIFFUSION RATE OF 290 TO 1500 CUBIC CENTIMETERS PER 100 SQUARE INCHES PER 24 HOURS.
Claim 2
Dependent Claim
105 words
A NON-BLOCKING TRANSPARENT VINYL POLYMER FILM FROM .0007 TO .0012 INCH THICK CONTAINING 30 TO 35 PARTS OF A NON-TOXIC LIQUID PLASTICIZER AND 5 PARTS OF SILICA AEROGEL, THE PARTS BEING PER 100 PARTS OF FILM-FORMING POLYMER, THE VINYL POLYMER RESULTING FROM THE POLYMERIZATION OF A MIXTURE CONTAINING 90 TO 100 PARTS OF VINYL CHLORIDE AND 0 TO 10 PARTS OF ANOTHER POLYMERIZABLE MONO-OLEFINIC COMPOUND, THE FILM HAVING A WATER VAPOR TRANSFER RATE OF 9 TO 16 GRAMS OF WATER PER 100 SQUARE INCHES PER 24 HOURS AND AN OXYGEN DIFFUSION RATE OF 290 TO 1500 CUBIC CENTIMETERS PER 100 SQUARE INCHES PER 24 HOURS.
References Cited (Backward Citations)
US2071300A
Cited
US2339387A
Cited
US2328844A
Cited
US2385257A
Cited
US2395581A
Cited
US2397751A
Cited
US2545243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |