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US3738529A Expired / Lapsed US ⏱️ 0.0 years remaining

Insulating container cover

Assignee: Individual
•
Filing: 1971-04-30
•
Granted: 1973-06-12
•
Expires: 1991-04-30
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Abstract

Abstract An insulating container cover to encompass a pop top beverage can to keep the contents of the can cool after removal from the refrigerator. The insulating cover is formed of flexible styrofoam plastic and has the same general cylindrical shape as the container it is to cover. The cover has an opening formed in the upper portion of its side wall and its top wall to give access to the drink opening in the beverage container so that the insulating cover can be left on the container while drinking the beverage therefrom. The cover is open at the bottom to permit it to be slipped easily over the beverage container and has a series of inwardly extending bosses for engaging under the bottom edge of the beverage container to secure the cover to the container. After the container has been emptied the cover is slipped off for reuse and the container is discarded in the usual fashion.

Inventors

  • 👤 B Rose

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:45
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/38; B65D81/3876; B65D81/3879; B65D25/00; B65D25/34; Y; Y10; Y10S; Y10S220/00; Y10S220/903

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 123 words
An insulating cover for beverage containers of the type having a generally cylindrical side wall, a circular bottom wall, a circular top wall, and an opening in the top wall to give access to the beverage, comprising a cover formed of a flexible insulating material and having a generally cylindrical side wall open at the bottom, a top wall integrally formed on the upper end of said side wall and having an opening therein to give access to the opening in the top wall of said container, and a plurality of bosses integrally formed on the inner surface of said side wall adjacent the open bottom thereof for engaging under the lower edge of said container for retaining said cover on said container.
Claim 2
Dependent Claim 123 words
An insulating cover for beverage containers of the type having a generally cylindrical side wall, a circular bottom wall, a circular top wall, and an opening in the top wall to give access to the beverage, comprising a cover formed of a flexible insulating material and having a generally cylindrical side wall open at the bottom, a top wall integrally formed on the upper end of said side wall and having an opening therein to give access to the opening in the top wall of said container, and a plurality of bosses integrally formed on the inner surface of said side wall adjacent the open bottom thereof for engaging under the lower edge of said container for retaining said cover on said container.
Claim 3
Dependent Claim 14 words
A device as claimed in claim 1 wherein said flexible insulating material is styrofoam.
Claim 4
Dependent Claim 26 words
A device as claimed in claim 1 wherein the opening in said top wall of said cover extends downwardly into said side wall of said cover.

References Cited (Backward Citations)

US1872771A Cited
US2832493A Cited
US3071279A Cited
US3013691A Cited
US3103295A Cited
US3257025A Cited
FR1397264A Cited
US3607134A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-06-11 1976-12-11 1977-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-06-11 1980-12-11 1981-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-06-11 1984-12-11 1985-06-12 $7700.00 Window Closed / Lapsed

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