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. 14, 2025
Filed:
Feb. 26, 2021
Société Bic, Clichy, FR;
Caffier Guillaume, Wegscheid, FR;
Liu Wing Yam, Montevrain, FR;
SOCIÉTÉ BIC, Clichy, FR;
Abstract
A writing instrument having a writing tip, the writing instrument comprising a non-aqueous writing ink which is contained in a tubular ink cartridge, wherein the tubular ink cartridge has an inner diameter of between about 1 mm and about 2.5 mm, and two open ends, wherein the first open end is connected with the writing tip and the second open end is connected with the external surroundings of the writing instrument, wherein the non-aqueous writing ink contained in a tubular ink cartridge is in fluid communication with the writing tip via the first open end and with the external surroundings of the writing instrument via the second open end, and wherein the non-aqueous writing ink comprises a solvent, a resin, a coloring agent, and a gelling agent.