US4057651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meat tray
Assignee: Mobil Oil AS
•
Filing: 1975-01-02
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Granted: 1977-11-08
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Expires: 1995-01-02
Abstract
Abstract A meat tray of thermoformed plastic foam is provided with high side walls of sufficient stability to retain cut pieces by vertical flutes in the side walls and at the corners.
Inventors
- 👤 John Florian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:49
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/34
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
144 words
A tray particularly suited to packaging of cut meats comprising a flat rectangular bottom wall having rounded corners, side walls integral with said bottom wall disposed upwardly and flared outwardly of said bottom wall, each of said side walls being integral with adjacent side walls at the curved corners of said tray, an integral flange extending outwardly of said side walls at the upper edges thereof, said side walls being formed with flutes transversely of said walls from the bottom wall to said flange, the curved corner surfaces at joinder of said side walls being formed as an upper portion adjacent said flange in a smooth curve to which said side walls are tangent and a lower portion in a smooth curve of curvature reverse to that of said upper portion to thereby provide a fluted corner terminating at a shoulder between said portions.
Claim 2
Dependent Claim
144 words
A tray particularly suited to packaging of cut meats comprising a flat rectangular bottom wall having rounded corners, side walls integral with said bottom wall disposed upwardly and flared outwardly of said bottom wall, each of said side walls being integral with adjacent side walls at the curved corners of said tray, an integral flange extending outwardly of said side walls at the upper edges thereof, said side walls being formed with flutes transversely of said walls from the bottom wall to said flange, the curved corner surfaces at joinder of said side walls being formed as an upper portion adjacent said flange in a smooth curve to which said side walls are tangent and a lower portion in a smooth curve of curvature reverse to that of said upper portion to thereby provide a fluted corner terminating at a shoulder between said portions.
Claim 3
Dependent Claim
12 words
An article according to claim 1 conforming substantially to the annexed drawings.
Claim 4
Dependent Claim
20 words
An article according to claim 1 having a plurality of holes in said bottom wall to receive and retain juices.
Claim 5
Dependent Claim
22 words
An article according to claim 3 in which said holes are of smaller diameter at the top thereof than at the bottom.
Claim 6
Dependent Claim
164 words
A package consisting of a plurality of pieces of cut meat in a tray comprising a flat rectangular bottom wall having rounded corners, side walls integral with said bottom wall disposed upwardly and flared outwardly of said bottom wall, each of said side walls being integral with adjacent side walls at the curved corners of said tray, an integral flange extending outwardly of said side walls at the upper edges thereof, said side walls being formed with flutes transversely of said walls from the bottom wall to said flange, the curved corner surfaces at joinder of said side walls being formed as an upper portion adjacent said flange in a smooth curve to which said side walls are tangent and a lower portion in a smooth curve of curvature reverse to that of said upper portion to thereby provide a fluted corner terminating at a shoulder between said portions and an overwrap of transparent film about said tray and pieces of meat contained therein.
Claim 7
Dependent Claim
164 words
A package consisting of a plurality of pieces of cut meat in a tray comprising a flat rectangular bottom wall having rounded corners, side walls integral with said bottom wall disposed upwardly and flared outwardly of said bottom wall, each of said side walls being integral with adjacent side walls at the curved corners of said tray, an integral flange extending outwardly of said side walls at the upper edges thereof, said side walls being formed with flutes transversely of said walls from the bottom wall to said flange, the curved corner surfaces at joinder of said side walls being formed as an upper portion adjacent said flange in a smooth curve to which said side walls are tangent and a lower portion in a smooth curve of curvature reverse to that of said upper portion to thereby provide a fluted corner terminating at a shoulder between said portions and an overwrap of transparent film about said tray and pieces of meat contained therein.
Claim 8
Dependent Claim
20 words
A package according to claim 5 having a plurality of holes in said bottom wall to receive and retain juices.
References Cited (Backward Citations)
US1866035A
Cited
US3346400A
Cited
US3337110A
Cited
US3420431A
Cited
US3485434A
Cited
US3834606A
Cited
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Cited
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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) | 1980-11-07 | 1981-05-09 | 1981-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-07 | 1985-05-09 | 1985-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-07 | 1989-05-09 | 1989-11-08 | $7700.00 | Window Closed / Lapsed |