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:
Mar. 03, 1981
Filed:
Aug. 13, 1979
Applicant:
Inventors:
Luther Tobias, Oroville, CA (US);
David G Bories, Fair Oaks, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B / ; B28B / ; B29C / ;
U.S. Cl.
CPC ...
425385 ; 404 74 ; 404 89 ; 404114 ; 425445 ; 425456 ; 425457 ;
Abstract
A powered jointer having a scoring undersurface for forming a stress joint in a wet concrete slab, followed by a reciprocating tamper foot which forms a stress joint while moving rock out of the joint and a smoothing tip following the formation of the stress joint for smoothing out the same, all in a single pass.