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:
Jun. 01, 2004
Filed:
Feb. 28, 2003
Qingping Chen, Simpsonville, SC (US);
Michael T. Nowak, Cheshire, CT (US);
BIC Corporation, Milford, CT (US);
Abstract
A writing medium reservoir that exhibits clear drain of a writing medium, and preferably in which the writing medium is readily visible to the user. A method of making a writing medium reservoir that exhibits clear drain of a writing medium, and preferably in which the writing medium is readily visible to the user. The method may include forming the writing medium reservoir by co-extruding an inner layer and an outer layer. In addition, the present invention relates to a multi-layer tubular structure that exhibits clear drain of a liquid, and preferably in which the relative presence or relative absence of liquid is readily visible to the user.