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:
Jan. 07, 1992
Filed:
Dec. 06, 1990
Applicant:
Inventors:
James K Rancour, St. Cloud, MN (US);
John F Wozniak, Cokate, MN (US);
Assignee:
Malco Products, Inc., Arnandale, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26B / ;
U.S. Cl.
CPC ...
30287 ; 30280 ; 83875 ;
Abstract
A blade for cutting a groove in ductboard and forming a corresponding scrap strip of ductboard. The blade includes two blade portions depending from a support member such as a hand tool with a sled for engaging the ductboard. Each of the blade portions includes an inner end which engages the other inner end to partially fix the blades relative to each other and partially restrict the blades from spreading which may be caused by the horizontal grain of ductboard.