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. 11, 2003
Filed:
Oct. 02, 2001
Applicant:
Inventor:
Hartley Moyes, West Yorkshire, GB;
Assignee:
Premdor International, Inc., Bridgetown, BB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C 2/54 ; E04C 2/32 ;
U.S. Cl.
CPC ...
E04C 2/54 ; E04C 2/32 ;
Abstract
The invention is directed to a fire door having a core, stiles, and rails formed of resin bonded exfoliated vermiculite, wherein the core has a density which exceeds that of the stiles and rails. The invention is also directed to such a fire door additionally having an intumescent material placed on some or all of the exposed edges of the stiles and rails.