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INK JET PRINTHEAD INCORPORATING A BACKFLOW PREVENTION MECHANISM

09/864,379 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed May 25, 2001
Examiner RAQUEL YVETTE GORDON
Class 347
Art Group 2853
Patent No. 6,814,429
Case Type Utility - 347/054000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/112,767 Patented
Child 10/982,763 Patented
Child 11/754,367 Patented
Child 12/50,938 Patented
Child 12/272,743 Patented
Child 13/37,145 Patented
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Last Updated: 4 years, 10 months ago
Date # Transaction