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:
Feb. 06, 1990
Filed:
Jul. 20, 1988
Applicant:
Inventors:
Roger A Allen, Great Missenden, GB;
Geoffrey Youd, High Wycombe, GB;
Assignee:
The Wiggins Teape Group Limited, Basingstoke, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73866 ; 73104 ; 73159 ; 356429 ; 356448 ;
Abstract
Disclosed is a method of testing the propensity of a paper or board to dust. The method is one which includes pressing a reference surface to the surface to be tested at a predetermined pressure. The dust adhering to the reference surface is then measured such that an indicative reading is obtained.