Patent US1951712A successfully refreshed from Google Patents.
US4058212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package for containing products
Assignee: TEC Inc ALSIP A CORP OF
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Filing: 1976-04-26
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Granted: 1977-11-15
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Expires: 1996-04-26
Abstract
Abstract A package is disclosed for a plurality of slices of a meat product in which the slices are arranged in vertically stacked relation on a base member of preformed, transparent plastic sheet material and enclosed by a cover member which is preformed of like material. The base and cover members have peripheral margins which are in flat engagement and sealed under vacuum with a separable seal along three sides enabling the cover member to be hinged about a fourth side in opening the package so as to obtain access to the product without destruction of the package members and having a snap-in latching arrangement for holding the cover member in position upon reclosing the same.
Inventors
- 👤 Ihor Wyslotsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:42
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/321; B65D75/322
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
275 words
A container for enclosing a product comprising: a preformed base member of plastic material having a shallow, upwardly opening, first recess for receiving the bottom portion of the product, said recess being defined by a bottom wall and substantially vertically extending side walls which terminate in a peripheral, horizontally disposed first flange extending about the first recess; a preformed cover member of plastic material having a downwardly opening second recess and a second peripheral flange for mating with the first recess and said first flange, respectively, so as to form an enclosure for the product and to afford areas on contacting faces of said first and second flanges for sealing the cover member on the base member, said first flange being adapted at one side to be permanently joined to said second flange and being adapted at the other three sides to be sealed so as to permit ready separation for opening the cover and hinging it on said one side; a latching rib on said cover member along the side of said second flange opposite said one side for seating in frictional engagement in a front portion of the recess in said base member so as to provide for frictionally holding said cover member when it is reclosed; upstanding, reinforcing rib formations on said base member and extending along opposite sides of the first recess which adjoins the permanently sealed side of the container which rib formations serve in part to confine the product in the first recess; and downwardly opening, reinforcing side wall formations on said cover member which mate with said rib formations and serve to guide the cover into closed position.
Claim 2
Dependent Claim
275 words
A container for enclosing a product comprising: a preformed base member of plastic material having a shallow, upwardly opening, first recess for receiving the bottom portion of the product, said recess being defined by a bottom wall and substantially vertically extending side walls which terminate in a peripheral, horizontally disposed first flange extending about the first recess; a preformed cover member of plastic material having a downwardly opening second recess and a second peripheral flange for mating with the first recess and said first flange, respectively, so as to form an enclosure for the product and to afford areas on contacting faces of said first and second flanges for sealing the cover member on the base member, said first flange being adapted at one side to be permanently joined to said second flange and being adapted at the other three sides to be sealed so as to permit ready separation for opening the cover and hinging it on said one side; a latching rib on said cover member along the side of said second flange opposite said one side for seating in frictional engagement in a front portion of the recess in said base member so as to provide for frictionally holding said cover member when it is reclosed; upstanding, reinforcing rib formations on said base member and extending along opposite sides of the first recess which adjoins the permanently sealed side of the container which rib formations serve in part to confine the product in the first recess; and downwardly opening, reinforcing side wall formations on said cover member which mate with said rib formations and serve to guide the cover into closed position.
Claim 3
Dependent Claim
46 words
A container as set forth in claim 1 wherein said reinforcing rib formations on said base member are generally triangular in elevation and extend upwardly to approximately the top of said first recess in said cover member when said cover member is in the closed position.
Claim 4
Dependent Claim
55 words
A container as set forth in claim 1 wherein said cover member reinforcing side wall formations have downwardly projecting rib portions which seat along the inside of the reinforcing rib formations on the base forming member and co-operate with said latching rib on said cover member in frictionally holding said cover member in closed position.
Claim 5
Dependent Claim
212 words
A packaging container for a product comprising a bottom member of plastic material which is preformed to provide a shallow first recess defined by a bottom wall and substantially vertically extending side walls which terminate in a surrounding, outwardly directed, first flange with upstanding reinforcing and rigidifying rib formations at opposite sides of the first recess, said first recess being of a depth to receive therein bottom portions of said product, said rib formations having inside faces extending upwardly of the edges of said first recess, and a cover member having a downwardly opening second recess of a size to mate with said first recess and co-operating with said first recess in forming a compartment for enclosing said product, said cover member having a second flange surrounding the recess therein, said first and second flanges being arranged to provide co-operating sealing areas with peelable sealing means along three sides and a permanent sealing means along the fourth side which forms a hinge means for swinging the cover member to an open position, said cover member having hollow rib formations at oppositely disposed sides of said second recess which open downwardly and are positioned to encompass the reinforcing rib formations on said bottom member when said cover member is in a closed position.
Claim 6
Dependent Claim
212 words
A packaging container for a product comprising a bottom member of plastic material which is preformed to provide a shallow first recess defined by a bottom wall and substantially vertically extending side walls which terminate in a surrounding, outwardly directed, first flange with upstanding reinforcing and rigidifying rib formations at opposite sides of the first recess, said first recess being of a depth to receive therein bottom portions of said product, said rib formations having inside faces extending upwardly of the edges of said first recess, and a cover member having a downwardly opening second recess of a size to mate with said first recess and co-operating with said first recess in forming a compartment for enclosing said product, said cover member having a second flange surrounding the recess therein, said first and second flanges being arranged to provide co-operating sealing areas with peelable sealing means along three sides and a permanent sealing means along the fourth side which forms a hinge means for swinging the cover member to an open position, said cover member having hollow rib formations at oppositely disposed sides of said second recess which open downwardly and are positioned to encompass the reinforcing rib formations on said bottom member when said cover member is in a closed position.
Claim 7
Dependent Claim
41 words
A packaging container as set forth in claim 4 wherein said container cover member and said bottom member have co-operating latching means for frictional engagement when the cover member is closed so as to hold said cover member in closed position.
Claim 8
Dependent Claim
49 words
A packaging container as set forth in claim 5 wherein said latching means comprises downwardly extending rib formations of relatively small cross section extending along portions of the sides of the second recess in said cover member and engaging inside faces of the rib formations on said bottom member.
Claim 9
Dependent Claim
70 words
A packaging container as set forth in claim 5 wherein said latching means comprises a depending rib formation of relatively small cross section extending along the edge of the recess in said container cover member which is remote from said hinge means, which depending rib formation is positioned to frictionally engage the forward wall defining the first recess in the bottom member when the cover member is in closed position.
Claim 10
Dependent Claim
69 words
A packaging container as set forth in claim 5 wherein said latching means comprises a rib formation of relatively small cross section which depends from the inner edge of the cover flange member at the side of the cover which is opposite said hinge means and frictionally engages in the corresponding side of the first recess in the bottom member when the cover member is in the closed position.
Claim 11
Dependent Claim
73 words
A packaging container as set forth in claim 5 wherein said latching means comprises a small, depending rib formation extending along the side of the second recess in the cover member which is opposite the hinge means and extensions of said depending rib formation extending along a portion of adjoining sides of said recess which extensions are positioned to frictionally engage inside face portions of said upstanding rib formations on said bottom member.
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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) | 1980-11-14 | 1981-05-16 | 1981-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-14 | 1985-05-16 | 1985-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-14 | 1989-05-16 | 1989-11-15 | $7700.00 | Window Closed / Lapsed |