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. 08, 1995
Filed:
Oct. 08, 1993
Applicant:
Inventors:
Frederick Schmid, Marblehead, MA (US);
Maynard B Smith, Amesbury, MA (US);
Chandra P Khattak, Danvers, MA (US);
Assignee:
Crystal Systems, Inc., Salem, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28D / ;
U.S. Cl.
CPC ...
125 18 ; 125 22 ; 451547 ;
Abstract
A cutting blade the core of which is generally tear-drop shaped in cross-section. The sides of the tear-drop shaped core form an included angle of not less than about 5 degrees (and typically not less than about 9 degrees), and abrasive is provided essentially on only the wide bottom surface of the core.