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:
Oct. 27, 2020
Filed:
Jun. 20, 2017
Applicant:
Conte, Boulogne-sur-Mer, FR;
Inventors:
Julien Gouerec, Boulogne-sur-Mer, FR;
Philippe Lefebvre, Wimereux, FR;
Assignee:
CONTE, Boulogne-sur-Mer, FR;
Primary Examiner:
Int. Cl.
CPC ...
B43K 19/16 (2006.01); B43K 19/02 (2006.01); B43K 19/14 (2006.01); C09D 13/00 (2006.01);
U.S. Cl.
CPC ...
B43K 19/16 (2013.01); B43K 19/02 (2013.01); B43K 19/14 (2013.01); C09D 13/00 (2013.01);
Abstract
A writing or coloring pencil has three layers obtained by co-extrusion, including an unexpanded polymer-based lead, an unexpanded intermediate protective layer surrounding the lead and comprising an ethylene (C1-C4 alkyl) acrylate copolymer, alone or as a blend with a styrene polymer, and an expanded styrene polymer-based synthetic wood material surrounding the intermediate protective layer.