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:
May. 22, 1979
Filed:
Jul. 26, 1978
Applicant:
Inventors:
Assignee:
Tokan Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220270 ; 220359 ; 222541 ; 222485 ;
Abstract
A container formed of paper or thermoplastic synthetic resin and having a cover member which comprises a cover sheet having an openable portion defined by weakened means such as a series of slots, slits or perforations, said slots, slits or perforations being covered by a continuous portion on at least one side of the cover member to define a continuous thermoplastic synthetic resin belt zone, said belt zone being attached to said slots slits or perforations by rivet heads for sealing the slots, slits or perforations and also having a pull tab formed at one end thereof, whereby an opening is made in the cover of said container by merely pulling said pull tab.