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:
Feb. 24, 2009
Filed:
Jun. 14, 2007
Applicant:
Michael Crites, Lima, OH (US);
Inventor:
Michael Crites, Lima, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ring saw device used in the installation of manholes to afford proper installation height and angular inclination compliant to street surface. The ring saw cutting device has a support ring base that acts as an elevated and inclination guide with a dual axis cutting assembly rotatably disposed therewithin.