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.

Date of Patent:
Sep. 23, 2003

Filed:

Jun. 14, 2001
Applicant:
Inventor:

James S. Hardigg, Conway, MA (US);

Assignee:

Hardigg Industries, Inc., South Deerfield, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 5/116 ;
U.S. Cl.
CPC ...
B65D 5/116 ;
Abstract

A pressure relief valve includes a center hub portion which extends through an aperture formed in a wall of a container. The pressure relief valve further includes a knob having an underside from which the center hub portion extends, a static cavity formed in the underside and a pressure release cavity also formed the underside. A sealing member is fixed to the underside, and encompasses the center hub portion and the static cavity.


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