US4234647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meat packaging of foam and oxygen impervious material
Assignee: Swift Independent Packing Co
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Filing: 1978-12-29
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Granted: 1980-11-18
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Expires: 1998-12-29
Abstract
Abstract A layer of foamed material and an oxygen impervious surface covering are interposed between areas of a meat portion and a wrapper film where puncture is likely to occur.
Inventors
- 👤 Robert E. Murphy
- 👤 Harry F. Bernholdt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:14
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/54; B65D75/002; B65D75/004; B65D2275/00; B65D2275/02; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249976; Y10T428/249987; Y10T428/24999; Y10T428/249991; Y10T428/249992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
As an article of manufacture an improved puncture resistant cushion film for use in the packaging of meat items, said cushion film comprising: an outer film layer of oxygen impermiable material; and a meat contacting surface comprised of a separate cushion film of an open celled foam of about 1/16-1/8 inch thick capable of both absorbing liquids and of closely conforming to the surface shape of the meat, and said meat contacting surface is coated on its meat contacting surface with a non-toxic adhesive.
Claim 2
Dependent Claim
84 words
As an article of manufacture an improved puncture resistant cushion film for use in the packaging of meat items, said cushion film comprising: an outer film layer of oxygen impermiable material; and a meat contacting surface comprised of a separate cushion film of an open celled foam of about 1/16-1/8 inch thick capable of both absorbing liquids and of closely conforming to the surface shape of the meat, and said meat contacting surface is coated on its meat contacting surface with a non-toxic adhesive.
References Cited (Backward Citations)
GB837923A
Cited
US3589592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-11-18 | 1984-05-19 | 1984-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-18 | 1988-05-19 | 1988-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-18 | 1992-05-19 | 1992-11-18 | $7700.00 | Window Closed / Lapsed |