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:
Dec. 08, 2020
Filed:
Sep. 20, 2017
Applicant:
Composite Rebar Technologies, Inc., Portland, OR (US);
Inventors:
Thomas A. Hershberger, Madison, WI (US);
Nicholas K. Cray, Madison, WI (US);
Assignee:
Composite Rebar Technologies, Inc., Madison, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C 11/14 (2006.01); B29C 69/00 (2006.01); B29C 70/52 (2006.01); B29C 70/68 (2006.01); B29C 70/86 (2006.01);
U.S. Cl.
CPC ...
E01C 11/14 (2013.01); B29C 69/001 (2013.01); B29C 70/521 (2013.01); B29C 70/682 (2013.01); B29C 70/865 (2013.01);
Abstract
Hollow composite dowel bar assemblies, their manufacture, and apparatus for manufacture. The dowel bar assemblies may include an elongate and hollow core, a protective jacket coating at least the sidewall exterior of the core, and a sealing structure coupled with each end of the combined core and jacket, that are configured to protect the core from the environment.