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. 30, 2024
Filed:
Dec. 09, 2021
Applicants:
Société Bic, Clichy, FR;
Bic Violex S.a., Anoixi, GR;
Inventors:
Panagiotis Polygerinos, Clichy, FR;
David Michael Duffy, Zürich, CH;
Christopher John Wright, London, GB;
Assignees:
Société BIC, Clichy, FR;
BIC Violex Single Member SA, Anoixi, GR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B43K 1/00 (2006.01); B43K 8/22 (2006.01); B43K 1/01 (2006.01);
U.S. Cl.
CPC ...
B43K 1/003 (2013.01); B43K 1/006 (2013.01); B43K 1/01 (2013.01); B43K 8/22 (2013.01);
Abstract
The present disclosure relates to a writing instrument comprising a tubular body, a reservoir for an ink composition. The writing instrument comprises a nib comprising a switchable flow material, wherein the switchable flow material is configured to switch between a fluid flow preventing condition and a fluid flow enabling condition by a stimulus. The switchable flow material is configured to control flow of the ink composition from the reservoir to or towards a writing surface.