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, 1986
Filed:
May. 11, 1983
Applicant:
Inventors:
Ken R Johnson, Granville, OH (US);
Paul S Sanik, Westerville, OH (US);
Assignee:
Owens-Corning Fiberglas Corporation, Toledo, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
324 54 ; 200 6113 ; 340675 ;
Abstract
An apparatus and method of sensing openings in a perforated sheet by means of electrical contact between electrically conducting surfaces positioned on opposite sides of the sheet.