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:
Jun. 02, 1981
Filed:
Nov. 15, 1978
Applicant:
Inventors:
James C Carroll, Hamilton, OH (US);
Donald L Chapman, Liberty, IN (US);
Gilbert A McGoldrick, Hamilton, OH (US);
Assignee:
Square D Company, Palatine, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
E04N / ;
U.S. Cl.
CPC ...
52-1 ; 52221 ; 52232 ;
Abstract
A fire resistant fitting for use in sealing a floor hole and including a pair of plates having an expandable material therebetween for securing the fitting in the hole and a fire resistant material suspended in the opening from the lower plate by a simple twistable metal tang.
Carroll, James. (1981). Fire resistant fitting floor holes (U.S. Patent No. 4270318). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4270318
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile