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.:

US 8471818 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 25, 2013

Filed:

Nov. 12, 2010
Applicants:

Kun-tsan Wu, Shindian, TW;

Li-wen Tien, Shindian, TW;

Inventors:

Kun-Tsan Wu, Shindian, TW;

Li-Wen Tien, Shindian, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A data entry device includes a flexible base, a receiving module, a rolling mechanism, and a stop mechanism. The receiving module includes a sleeve and a subsidiary cover detachably attached to the sleeve. The base is received in the sleeve. The rolling mechanism rotates the base. One end of the base is secured to the rolling mechanism, and the other end of the base is secured to the subsidiary cover. The stop mechanism is for controlling the movement of the rolling mechanism. A selected length of the base exposed out of the sleeve can be controlled by the stop mechanism.


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Wu, Kun-Tsan. (2013). Flexible data entry device (U.S. Patent No. 8471818). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8471818

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