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:
Apr. 27, 2004
Filed:
May. 20, 2003
Applicant:
Inventors:
Assignee:
Hitachi Software Engineering Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/25 ; B41J 2/255 ;
U.S. Cl.
CPC ...
B41J 2/25 ; B41J 2/255 ;
Abstract
Identically shaped spots can be formed sequentially and stably by a spotting pin comprising a bar-like plunger . Four projections each formed in the shape of a top portion of a quadrangular pyramid are formed on the head of the plunger . The apexes of the quadrangular pyramids constituting the projections are located inside a virtual plane extending from the peripheral wall of the plunger.