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:
Sep. 08, 1981
Filed:
May. 13, 1980
Applicant:
Inventor:
John Zimmermann, Scarborough, CA;
Assignee:
Somerville Belkin Industries Limited, London, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ; B65D / ;
U.S. Cl.
CPC ...
229 / ; 229 / ; 229D / ; 229 43 ; 229 / ; 206631 ;
Abstract
The invention relates to a paperboard container with small ventilation holes in the order of less than 3/32 of an inch in diameter. The holes are not punched but rather are formed by making small U-shaped cuts at a corner fold of the container blank and by making the corner fold in the reverse direction.