The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 13, 1981
Filed:
Dec. 13, 1978
Applicant:
Inventors:
Keiichi Takahashi, Ichikawa, JP;
Hiroshi Aoyama, Tokyo, JP;
Kikuya Hirakawa, Ebina, JP;
Yukio Sarusawa, Zama, JP;
Assignee:
Tokan Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220270 ; 220380 ; 229 43 ;
Abstract
A container cover member comprising a cover sheet formed of paper or thermoplastic synthetic resin having an opening of a desired size and shape in a predetermined position and over said opening a closure member having a pull tab or handle formed of thermoplastic resin which is compatible with the material of said cover sheet, said opening being easily uncovered when said pull tab is pulled up, and the process for making the cover member.