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. 17, 2001
Filed:
Jul. 17, 1998
Applicant:
Inventors:
Guy Charles Fernley Newcombe, Cambridge, GB;
Matthew Alexander Schumann, Cambridge, GB;
Richard Wilhelm Janse Van Rensburg, Cambridge, GB;
Neil Emerton, Cambridge, GB;
David Mark Blakey, Cambridge, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/06 ;
U.S. Cl.
CPC ...
B41J 2/06 ;
Abstract
An ejection apparatus for ejecting material from a liquid has an ejection cell (,) for containing the liquid in use. The cell (,) has a protrusion (,) disposed so as to be contacted by liquid in the cell on more than one side and defining a predetermined location for a meniscus of the liquid at an opening in the cell. An ejection electrode (,) is disposed in the cell at a position inwardly of the cell with respect to the predetermined location of the meniscus.