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. 22, 1992
Filed:
Sep. 30, 1988
Applicant:
Inventors:
Lee E Walko, Midland, MI (US);
Rodney G Grusecki, Omer, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A16L / ;
U.S. Cl.
CPC ...
285 14 ; 285 55 ; 285363 ;
Abstract
In a lined pipe, permeated gases trapped between the liner and the outer casing are vented by a collar received between the liner flange and the pipe flange which defines at least one predetermined channel through which the gases may exit.
Quick Actions:
Walko, Lee. (1992). Vent collar for plastic lined pipe (U.S. Patent No. 5149142). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5149142
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile