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:
Feb. 14, 2006
Filed:
Oct. 17, 2003
Applicant:
Yoneta Tanaka, Yokohama, JP;
Inventor:
Yoneta Tanaka, Yokohama, JP;
Assignee:
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A plain surface stage apparatus includes a platen having a plain surface, stationary type supports comprising at least three supporting members, and displacement type supports, each of which supports the platen and forms a displacement type supporting point at a position other than those of supporting points formed by the stationary type supports, wherein the displacement type supports expand and contract in a direction perpendicular to the plain surface of the platen so as to be displaced, and holds a selected displaced state of the displacement type supports.