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:
Jan. 21, 1997
Filed:
Apr. 18, 1995
Applicant:
Inventors:
Suraj L Hindagolla, Corvallis, OR (US);
Glen A Hopkins, Philomath, OR (US);
Howard H Taub, San Jose, CA (US);
Si-Ty Lam, Pleasanton, CA (US);
Paul H McClelland, Monmouth, OR (US);
James S Aden, Corvallis, OR (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427271 ; 427282 ; 427309 ; 427421 ;
Abstract
Selected portions of the orifice plate surfaces are formed to have wetting and non-wetting surface characteristics for minimizing the accumulation of residual ink on the outer surface of the plate and for enhancing the flow of supply ink to the orifices of the plate.