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:
Nov. 13, 2012
Filed:
Sep. 21, 2009
Applicant:
Vincent R. Catalano, St. Charles, IL (US);
Inventor:
Vincent R. Catalano, St. Charles, IL (US);
Assignee:
Allmetal, Inc., Bensenville, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C 2/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A key member or key for joining muntin or spacer bars in a dual pane window include an insertion end for frictional engagement in the open ended passage of a spacer bar and a projection end comprised of axially extending, spaced prongs that include teeth or serrations that enable interlocking with projecting prongs of a like key member.