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 7426077 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 16, 2008

Filed:

Oct. 24, 2006
Applicants:

Yukio Miyagawa, Tokyo, JP;

Teruyuki Abe, Tokyo, JP;

Kazuharu Seki, Tokyo, JP;

Inventors:

Yukio Miyagawa, Tokyo, JP;

Teruyuki Abe, Tokyo, JP;

Kazuharu Seki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/56 (2006.01);
U.S. Cl.
CPC ...
Abstract

A portable screen device including a casing, an extendable screen, and an extendable screen supporting column which has one end pivotally supported at a center portion of a back surface of the casing. The column can be pivoted to an extended position for holding the screen in an extended state. The column includes a plurality tubular members which slide with respect to each other. A lowermost tubular member has a first column lock mechanism for engaging the lowermost tubular member with an adjacent, upper tubular member to maintain the column at a desired height. A column lock releasing mechanism including a pedal is provided for releasing the engagement between the lowermost tubular member and the upper tubular member.


Find Patent Forward Citations

Miyagawa, Yukio. (2008). Portable screen device (U.S. Patent No. 7426077). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7426077

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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