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:
Aug. 29, 2000
Filed:
Sep. 30, 1997
Applicant:
Inventors:
Bertin Castonguay, Sherbrooke, CA;
Eric Milot, Montreal, CA;
Jean-Pierre Perreault, St-Jean-De-Matha, CA;
Jocelyn Caux, LaPocatiere, CA;
Assignee:
Groupe Permacon Inc., Ville D'Anjou, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B / ;
U.S. Cl.
CPC ...
425343 ; 264293 ; 425385 ;
Abstract
An apparatus for treating selected at least partial surfaces of a masonry block, including at least a flail having a shaft with an axis of rotation in a vertical plane, at least a moving mechanism for moving one of the masonry blocks parallel to the vertical plane and the flail, mechanism for holding the masonry blocks with the selected surface to be treated at a distance from the shaft to be impacted by the flail.