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. 23, 2003
Filed:
Oct. 10, 2001
Applicant:
Inventor:
Kuo Zhen Liu, Da Li, TW;
Assignee:
ICC Innovative Concepts Corp., Torrington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B 2/308 ;
U.S. Cl.
CPC ...
B25B 2/308 ;
Abstract
A screwdriver comprises a handle, a hollow outer sleeve, at least an inner pipe, and a bit. The rear end of the outer sleeve connects to the handle. The inner pipe is inserted in the interior of the outer sleeve via the front opening of the outer sleeve. A magnetic chuck is disposed at the front end of the inner pipe. The magnetic chuck is inserted in the rear portion of the bit.