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:
May. 27, 2025
Filed:
May. 16, 2022
Applicant:
Sanford L.p., Atlanta, GA (US);
Inventors:
Venkata Rajasekhar, Chennai, IN;
Sivanpillai Murugan, Chennai, IN;
Ramaswamy Kaleesvaran, Chennai, IN;
Assignee:
Sanford, L.P., Atlanta, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B43K 1/08 (2006.01); B43K 7/10 (2006.01);
U.S. Cl.
CPC ...
B43K 1/086 (2013.01); B43K 1/082 (2013.01); B43K 7/10 (2013.01);
Abstract
A writing tip assembly for dispensing a free-flowing low-viscosity ink from a writing instrument may include a micro-spring, a writing ball configured to transfer ink to a substrate, and a second ball between the writing ball and the micro-spring. The second ball is configured to transfer ink to the writing ball. A writing instrument for dispensing a free-flowing low-viscosity ink includes an ink reservoir, the writing tip assembly, and a feeder fluidically coupling the ink reservoir to the writing tip assembly.