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:
Jun. 14, 1977
Filed:
Apr. 02, 1976
Applicant:
Inventor:
Everett W Carlson, Detroit, MI (US);
Assignee:
Lincoln Brass Works, Inc., Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251 96 ;
Abstract
In a locking-type gas valve having a plug rotatable by a stem having a portion which is pushed axially inwardly against a spring bias to disengage a projection thereon from a locking recess in a cap on the valve body, improved structure wherein the cap comprises a single flat plate having a slot therethrough forming the locking recess, the slot being adjacent a screw which secures the cap on the valve body and the screw having a washer which overlies the slot and retains the projection within the cap against the spring bias acting on the stem.