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US4273249A Expired / Lapsed US ⏱️ 0.0 years remaining

Sandwich container

Assignee: Pactiv LLC
•
Filing: 1977-06-22
•
Granted: 1981-06-16
•
Expires: 1997-06-22
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Abstract

Abstract A package for generally circular sandwiches has two semi-circular pockets or recesses provided with flanges about the open edge of each. The flanges are connected by a hinge to facilitate closing and opening of the package.

Inventors

  • 👤 John Florian

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 13:57
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/22; B65D1/26; A; A47; A47G; A47G21/00; A47G21/001; Y; Y10; Y10S; Y10S229/00; Y10S229/938

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 258 words
A disposable container of foamed thermoplastic resin for dispensing a circular sandwich and for convenient cosumption of such sandwich from a portion of the container comprising two generally similar recesses each defined by two semi-circular walls and a side walls integral with each edge of said semi-circular walls, the radius of said semi-circular walls being greater than the spacing of said side walls, the said recesses being adapted to enclose a circular sandwich with a portion thereof disposed in each recess when the said recesses are placed in abutting relation of the openings of said recesses, a flange integral with the semi-circular and side walls of each recess and extending outwardly therefrom, a hinge constituting a line of weakened area of the container integral with the flange of each recess extending from one end of the semi-circular wall thereof and parallel to such end, whereby the portions of the container may be separated by tearing along said weakened area to expose said circular sandwich projecting from one of said portions for convenient consumption with retention of liquids dripping from said sandwich in said recess to avoid soiling by said liquids; the flange integral with one side wall of each of said recesses being of a width adapted to cause the adjacent side wall to slope downward from the opening of the recess when the container or one portion thereof is at rest supported on a surface by a flange of such width and the adjacent side wall to assure retention of liquids in the container or portion thereof.
Claim 2
Dependent Claim 258 words
A disposable container of foamed thermoplastic resin for dispensing a circular sandwich and for convenient cosumption of such sandwich from a portion of the container comprising two generally similar recesses each defined by two semi-circular walls and a side walls integral with each edge of said semi-circular walls, the radius of said semi-circular walls being greater than the spacing of said side walls, the said recesses being adapted to enclose a circular sandwich with a portion thereof disposed in each recess when the said recesses are placed in abutting relation of the openings of said recesses, a flange integral with the semi-circular and side walls of each recess and extending outwardly therefrom, a hinge constituting a line of weakened area of the container integral with the flange of each recess extending from one end of the semi-circular wall thereof and parallel to such end, whereby the portions of the container may be separated by tearing along said weakened area to expose said circular sandwich projecting from one of said portions for convenient consumption with retention of liquids dripping from said sandwich in said recess to avoid soiling by said liquids; the flange integral with one side wall of each of said recesses being of a width adapted to cause the adjacent side wall to slope downward from the opening of the recess when the container or one portion thereof is at rest supported on a surface by a flange of such width and the adjacent side wall to assure retention of liquids in the container or portion thereof.
Claim 3
Dependent Claim 31 words
A container according to claim 1 having the flange portion integral with one said side wall of substantially greater width than the flange portion integral with the other said side wall.

References Cited (Backward Citations)

US2798784A Cited
US2915214A Cited
US3148103A Cited
US2917216A Cited
US3438826A Cited
US3511433A Cited
US3586162A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-06-15 1984-12-15 1985-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-06-15 1988-12-15 1989-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-06-15 1992-12-15 1993-06-16 $7700.00 Window Closed / Lapsed

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