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:
Nov. 30, 1976
Filed:
Mar. 11, 1976
Applicant:
Inventor:
Joseph John Difiglio, Libertyville, IL (US);
Assignee:
Abbott Laboratories, North Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220266 ; 1282 / ; 128272 ; 215249 ; 222541 ;
Abstract
An easy tear-open or breakaway port for a container wherein the breakaway line is provided by a preweakened portion having a reduced wall section with the width varying in a uniform and progressive manner from a minimum width to a maximum one. The breakaway feature is readily adaptable to plastic containers and can be utilized in conjunction with a handle or gripping member to facilitate the tearing along the preweakened portion.
Difiglio, Joseph. (1976). Tamperproof breakaway port (U.S. Patent No. 3994412). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3994412
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile