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. 19, 1983
Filed:
Dec. 24, 1981
Applicant:
Inventor:
Victor J Italiano, Ithaca, NY (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
3461 / ; 101364 ; 116227 ; 118713 ; 222 23 ; 239 74 ; 427-8 ;
Abstract
A visual indication of low ink supply wherein a soluble-dye fluid is added to the ink supply and floats on the surface of the ink. The low ink supply is indicated by a change in color printed on the record media by reason of the indicating fluid having different characteristics from the printing ink.
Italiano, Victor. (1983). Low ink indication for ink jet print head (U.S. Patent No. 4380772). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4380772
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile