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. 13, 1977
Filed:
Dec. 03, 1975
Applicant:
Inventors:
William E Brewer, Toledo, OH (US);
Franklin V Zimmer, Southfield, MI (US);
Assignee:
K-Krete, Inc., Toledo, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ; C04B / ; B63B / ;
U.S. Cl.
CPC ...
61 724 ;
Abstract
The invention relates to a controlled density fill material and a method of using such fill material in, for examples, the backfilling of sewers, embankments, structures and utility trenches. The material includes Portland cement, fly ash and aggregates. The material, while having some properties of both, is neither a soil nor a concrete.
Brewer, William. (1977). Method of bedding a conduit using controlled density fill material (U.S. Patent No. 4062195). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4062195
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile