Patent US3580413A successfully refreshed from Google Patents.
US3580413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clear thermoplastic multi-ply meat tray and absorbent strips
Assignee: Millennium Petrochemicals Inc
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Filing: 1969-01-27
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Granted: 1971-05-25
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Expires: 1989-01-27
Abstract
Abstract A clear, plastic tray, and a method for the production thereof, intended for the packaging of food products, such as meats, and the like, where the package contents will be clearly visible. The tray is completely transparent and is produced from sheet material which includes a preinserted strip or plurality of strips of absorbent cellulosic material for the reception and retention of any fluid or fluids which may drain from the package contents subsequent to the packaging.
Inventors
- 👤 John J Quackenbush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:23
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/24; B65D81/26; B65D81/264; B29; B29C; B29C48/00; B29C48/03; B29C48/15; B29C48/154; B29C48/155; B29C65/00; B29C65/02; B29C65/022; B29C65/028; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/47; B29C66/472; B29C66/4722; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83415; B65D1/00; B65D1/34; B29C48/001; B29C48/0017; B29C48/0018; B29C48/0022; B29C48/07; B29C48/08; B29C48/12; B29C48/16; B29C66/70; B29C66/71; B29C66/72; B29C66/723
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
17 words
The receptacle of claim 1, wherein the plastic material from which the receptacle is fabricated is transparent.
Claim 2
Dependent Claim
31 words
The receptacle of claim 2, wherein the total area of the cellulosic strips is no more than 10 percent of the area of the side and bottom walls of the receptacle.
Claim 3
Dependent Claim
30 words
The plastic receptacle of claim 1, wherein the material from which the receptacle is fabricated is a laminate of an upper layer of polypropylene and a lower layer of polyethylene.
Claim 4
Dependent Claim
24 words
The receptacle of claim 1, wherein the upper surface of the bottom wall is raised above the upper surface of the absorbent cellulosic strips.
Claim 5
Dependent Claim
74 words
A transparent plastic tray comprising a bottom wall and four sidewalls extending upwardly therefrom, the upper surface of said bottom wall including a plurality of substantially parallel, spaced, absorbent cellulosic strips imbedded therein and extending continuously across said upper surface and upwardly across the inner surface of the two sidewalls which are transverse the direction of said strips and a plurality of spaced channels in said upper surface providing communication between adjacent cellulosic strips.
Claim 6
Dependent Claim
24 words
The tray of claim 6 wherein the cellulosic strips are narrow so as to provide substantially complete visibility of a food product held thereon.
Claim 7
Dependent Claim
24 words
The tray of claim 6 wherein the plastic portion comprises a laminate of an upper layer of polypropylene and a lower layer of polyethylene.
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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |