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:
Apr. 20, 2010
Filed:
May. 09, 2007
Applicants:
Wayne R. Johnston, San Marcos, CA (US);
Alan G. Johnston, Nashua, NH (US);
Inventors:
Wayne R. Johnston, San Marcos, CA (US);
Alan G. Johnston, Nashua, NH (US);
Assignee:
The Wanda Group, Nashua, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62C 35/00 (2006.01); A62C 2/00 (2006.01); A62C 3/00 (2006.01); B05B 15/06 (2006.01); F16L 3/00 (2006.01); E04C 2/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
A nondestructive retrofit fire sprinkler protection system including a sprinkler fitting with a unique shape that inserts behind a wall surface and that securely connects a sprinkler head emerging from a wall location to preferably concealed sprinkler piping located in a room at a point where the ceiling surface meets a wall surfaces. In addition, a room coupler fitting is adapted to be inserted between wall structures to connect sprinkler piping in adjacent rooms.