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:
Jul. 06, 1976
Filed:
Oct. 11, 1973
Applicant:
Inventors:
Victor Ralph Cunningham, Hutton, EN;
David Leonard Boutle, Maldon, EN;
Assignee:
Porvair Limited, , EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; D06M / ; B32B / ;
U.S. Cl.
CPC ...
428213 ; 36 45 ; 260 / ; 264 49 ; 427245 ; 427246 ; 428305 ; 428330 ; 428425 ; 428904 ;
Abstract
A water vapor permeable artificial leather material is disclosed which consists essentially of tough microporous elastomeric polymer material free from fibrous reinforcement having a thickness of at least 0.8 mm and a microporous appearance modifying surface layer or finish.