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:
Dec. 05, 1978
Filed:
Sep. 12, 1977
Applicant:
Inventor:
John L Johnson, Morrisville, NC (US);
Assignee:
Scovill Manufacturing Company, Waterbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
239583 ; 239291 ; 239530 ; 251343 ;
Abstract
Inexpensive air gun has body with internal fixed coaxial tubular element having closed end with radial openings. A tubular valve element is reciprocal on the tubular element to valve off the radial openings. Tubular valve element is operable by actuator from outside body. The valve element has pressure-balanced surfaces for ease of operation.