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:
Dec. 31, 2019
Filed:
Oct. 22, 2015
Applicant:
Societe Bic, Clichy, FR;
Inventors:
Anne-Lise Damiano, Lagny sur Marne, FR;
Olivier Albenge, Outreau, FR;
Christelle Debrauwer, St Germain sur Morin, FR;
Assignee:
SOCIETE BIC, Clichy, FR;
Primary Examiner:
Int. Cl.
CPC ...
B43K 5/04 (2006.01); B43K 7/08 (2006.01); B43K 8/03 (2006.01);
U.S. Cl.
CPC ...
B43K 5/04 (2013.01); B43K 7/08 (2013.01); B43K 8/03 (2013.01);
Abstract
A compensation membrane for compensating a pressure difference between the outside and the inside of a free ink reservoir of a pen or the equivalent, the membrane comprising a first portion having a first rigidity, and a second portion having a second rigidity, the first rigidity being less than the second rigidity. A pen or the equivalent comprising a free ink reservoir provided with such a compensation membrane.