US3228168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming packages
Assignee: Oscar Mayer Foods Corp
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Filing: 1963-09-27
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Granted: 1966-01-11
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Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 Paul E Grindrod
- 👤 Forrest D Hamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:48
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/36; B65D75/366; B65D75/321; B65D75/323; B65D75/324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THE METHOD OF FORMING A HERMETIC PACKAGE COMPRISING APPLYING A CONTINOUS COATING OF A PRESSURE-SENSITIVE ADHESIVE TO A PACKAGE SUBSTRATE MATERIAL PERIPHERALLY OF A PRODUT RECEIVING AAREA OF SAID SUBSTRATE MATERIAL, PLACING A PRODUCT ONSAID PRODUCT RECEIVING AREA, ENCLOSING SAID PRODUCT WITH AMORPHOUS SUPERCOOLED POLYVINYLIDENEN CHLORIDE FILM IN OVERLYING RELATION WITH SAID SUBSTRATE MATERIAL, AND CONTACTING SIAD FILM CONTINOUSLY WITH SAID ADHESIVE ABOUT SAID PRODUCT WHILE SAID FILM IS STILL IN ITS AMORPHOUS SUPERCOOLED STATE.
Claim 2
Independent Claim
75 words
THE METHOD OF FORMING A HERMETIC PACKAGE COMPRISING APPLYING A CONTINOUS COATING OF A PRESSURE-SENSITIVE ADHESIVE TO A PACKAGE SUBSTRATE MATERIAL PERIPHERALLY OF A PRODUT RECEIVING AAREA OF SAID SUBSTRATE MATERIAL, PLACING A PRODUCT ONSAID PRODUCT RECEIVING AREA, ENCLOSING SAID PRODUCT WITH AMORPHOUS SUPERCOOLED POLYVINYLIDENEN CHLORIDE FILM IN OVERLYING RELATION WITH SAID SUBSTRATE MATERIAL, AND CONTACTING SIAD FILM CONTINOUSLY WITH SAID ADHESIVE ABOUT SAID PRODUCT WHILE SAID FILM IS STILL IN ITS AMORPHOUS SUPERCOOLED STATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |