US3137580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package and method and apparatus for forming same
Assignee: Oscar Mayer Foods Corp
•
Filing: 1959-11-27
•
Granted: 1964-06-16
•
Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Edward C Sloan
- 👤 Augustus H Eberman
- 👤 Robert L Goller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:08
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; B65B; B65B9/00; B65B9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A PACKAGE FOR USE IN MERCHANDISING FOOD PRODUCTS AND THE LIKE, SAID PACKAGE COMPRISING A PRODUCT RECEIVING AREA COVERED AND ENCLOSED BY COOPERATING LAMINATES OF FLEXIBLE POLYVINYLIDENE CHLORIDE FILMS, SAID FILMS EXHIBITING SUBSTANTIALLY RANDOM CRYSTALLIZATION THROUGHOUT, THE ENCLOSING OF SAID PRODUCT RECEIVING AREA BEING OBTAINED BY INTERSEALING OF PERIPHERAL CONTACTING PORTIONS OF SAID LAMINATES BETWEEN THE POLYVINYLIDENE CHLORIDE FILMS THEREOF WHILE SAID POLYVINYLIDENE CHLORIDE FILMS ARE IN THEIR SUPERCOOLED AMORPHOUS AND SUBSTANTIALLY UNSTRETCHED STATE, AT LEAST ONE OF SAID LAMINATES THROUGHOUT ITS PORTION COVERING THE PRODUCT RECEIVING AREA COMPRISING INNER AND OUTER FILMS OF POLYVINYLIDENE CHLORIDE HAVING RECEIVED THEREBETWEEN A SEPARATING MATERIAL WHICH MAINTAINS SEPARATION OF SAID INNER AND OUTER FILMS WITHOUT REDUCING THE FLEXIBILITY THEREOF.
Claim 2
Dependent Claim
116 words
A PACKAGE FOR USE IN MERCHANDISING FOOD PRODUCTS AND THE LIKE, SAID PACKAGE COMPRISING A PRODUCT RECEIVING AREA COVERED AND ENCLOSED BY COOPERATING LAMINATES OF FLEXIBLE POLYVINYLIDENE CHLORIDE FILMS, SAID FILMS EXHIBITING SUBSTANTIALLY RANDOM CRYSTALLIZATION THROUGHOUT, THE ENCLOSING OF SAID PRODUCT RECEIVING AREA BEING OBTAINED BY INTERSEALING OF PERIPHERAL CONTACTING PORTIONS OF SAID LAMINATES BETWEEN THE POLYVINYLIDENE CHLORIDE FILMS THEREOF WHILE SAID POLYVINYLIDENE CHLORIDE FILMS ARE IN THEIR SUPERCOOLED AMORPHOUS AND SUBSTANTIALLY UNSTRETCHED STATE, AT LEAST ONE OF SAID LAMINATES THROUGHOUT ITS PORTION COVERING THE PRODUCT RECEIVING AREA COMPRISING INNER AND OUTER FILMS OF POLYVINYLIDENE CHLORIDE HAVING RECEIVED THEREBETWEEN A SEPARATING MATERIAL WHICH MAINTAINS SEPARATION OF SAID INNER AND OUTER FILMS WITHOUT REDUCING THE FLEXIBILITY THEREOF.
References Cited (Backward Citations)
GB534535A
Cited
US2711779A
Cited
US2635742A
Cited
US2730161A
Cited
US2679968A
Cited
US2715458A
Cited
US2718303A
Cited
GB788536A
Cited
US2815896A
Cited
US2956855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |