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:
Jan. 26, 1988
Filed:
Dec. 08, 1986
Fred A Wilson, Middletown, OH (US);
Dover Corporation, New York, NY (US);
Abstract
A vent valve construction, storage tank containing the same and method of making the same are provided, the vent valve construction having a body member provided with a tubular portion that has opposed open ends one of which is adapted to be disposed in the storage compartment of the storage tank and the other of which is adapted to be accessible from the exterior of the storage tank wall, the valve member of the vent valve construction having a stem projecting through the one open end of the tubular portion to operatively interconnect the valve member to a piston unit disposed in the tubular portion and a removable closure means closing the other open end of the tubular portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile