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:
Aug. 18, 1998
Filed:
Nov. 27, 1995
Applicant:
Inventor:
Matthew S Prucinsky, Indianapolis, IN (US);
Assignee:
Von Duprin, Inc., Indianapolis, IN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E06B / ;
U.S. Cl.
CPC ...
49365 ; 74527 ; 49-8 ; 49-7 ;
Abstract
A fire-rated removable mullion, includes a top fitting mounted to a door frame lintel, a bottom fitting assembly, a mullion head capable of detachably engaging the top fitting, a mullion tube having provisions for mounting between the mullion head and the bottom fitting assembly, and another provision for accommodating thermal expansion of the mullion assembly to resist warping of the assembly. Where desired, a mortise cylinder lock can be included to limit removal by unauthorized persons.