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:
Dec. 16, 2008
Filed:
Jun. 28, 2005
Applicant:
Zhiming Qiu, Ningbo, CN;
Inventor:
Zhiming Qiu, Ningbo, CN;
Assignee:
Beifa Group Co., Ltd., Ningbo, CN;
Primary Examiner:
Int. Cl.
CPC ...
B43K 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A retractable writing device is provided that contains a nib airtight unit with a lid. The nib airtight unit with a lid includes an airtight body, an airtight lid, and/or an elastic loop. The nib airtight unit with a lid is capable of providing effective and durable airtight function for various shapes of nibs.