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. 01, 2003
Filed:
Nov. 14, 2000
Applicant:
Inventor:
Ari Ketonen, Hyvink{umlaut over (aa)}, FI;
Assignee:
Kone Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B 1/00 ;
U.S. Cl.
CPC ...
B66B 1/00 ;
Abstract
Fireproofing arrangement for an elevator landing door includes a skin plate facing toward the landing and a steel section reinforcement laid in the vertical direction of the door and attached to the skin plate. The surface of the steel section reinforcement on the side facing toward the shaft is provided with a layer of paint which becomes foamy when exposed to heat.