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:
Mar. 26, 2002
Filed:
Mar. 08, 2000
Ronald S Rukan, Simpsonville, SC (US);
Albert D'Addario, Southington, CT (US);
BIC Corporation, Milford, CT (US);
Abstract
A pressurized writing device comprising an ink tube having a first end and second end, a writing tip at the first end, an end plug at the second end, a pressurizing system. The pressurizing system applies a force to a writing medium in the ink tube to force the writing medium out the writing tip pressurization system includes, a compressible ink driving member. The compressibility of the ink driving member assures a secure seal of the writing medium in the ink tube. Additionally, the compressibility permits the ink driving member to wipe ink off the interior surface of the ink tube as ink is expended. Ink residue in the ink tube is thus minimized. In a preferred embodiment, the ink driving member is spherical to facilitate manufacture of the ink driving member and assembly of the writing instrument. The spherical shape also enhances the sealing and wiping effects of the compressible ink driving member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile