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:
Oct. 09, 1990
Filed:
Apr. 05, 1989
Applicant:
Inventor:
Shin Watanabe, Urawa-shi, JP;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
52-1 ; 522362 ;
Abstract
A building structure comprises three sections; a first section having a living area on each floor; a second section having an elevator; a third section having a path connecting the living area and the elevator entrance. The third section has a closable ventilation opening for exhausting smoke when the fire breaks out and closing device for closing the opening means at a normal time.
Watanabe, Shin. (1990). Building structure with an elevator (U.S. Patent No. 4961292). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4961292
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile