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. 01, 1990
Filed:
Oct. 19, 1987
Applicant:
Inventors:
Anton M Kies, KA Oisterwijk, NL;
Harry C van den Nieuwelaar, AD Gilze, NL;
Assignee:
Erico International Corporation, Solon, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
254 / ;
Abstract
This invention relates generally as indicated to ground rods, and more particularly to one piece ground rods of substantial length, and a method and apparatus for forming and placing such rods. Ground rods are normally steel rods having a copper cladding.
Kies, Anton. (1990). Ground rods and apparatus for forming and placing such rods (U.S. Patent No. 4921217). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4921217
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile