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:
Jul. 10, 2007
Filed:
May. 06, 2003
Christopher A. Adkins, Lexington, KY (US);
Michael C. Campbell, Lexington, KY (US);
Donald F. Croley, Georgetown, KY (US);
Timothy L. Strunk, Lexington, KY (US);
Christopher A. Adkins, Lexington, KY (US);
Michael C. Campbell, Lexington, KY (US);
Donald F. Croley, Georgetown, KY (US);
Timothy L. Strunk, Lexington, KY (US);
Lexmark International, Inc., Lexington, KY (US);
Abstract
A method of authenticating a consumable used in an imaging device includes the steps of providing the consumable with a memory; monitoring usage of the consumable; determining whether the consumable has reached a usage threshold; and, if the consumable has reached the usage threshold, then performing the further steps of: renewing the consumable; generating an authentication code signifying the renewing of the consumable; and storing the authentication code in the memory.