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:
May. 25, 1993
Filed:
Sep. 24, 1992
Applicant:
Inventor:
Kirby L Unruh, Warroad, MN (US);
Assignee:
Marvin Lumber and Cedar Company, Warroad, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E06B / ;
U.S. Cl.
CPC ...
522041 ; 49504 ;
Abstract
An improved door sill construction. The sill includes a core including a form made from spun class fibers treated with a polyester resin. The spun glass fibers are oriented in both lineal rows and random mats in order to maximize strength. The sill further includes a cladding coating the form which is stable to ultraviolet radiation.
Unruh, Kirby. (1993). Door sill composition (U.S. Patent No. 5212921). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5212921
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile