Download Docs
Export

Reexamination of Patent No. 5,490,170, CODING APPARATUS FOR DIGITAL SIGNAL

90/12,564 | U.S. Patent Application

Interested in this case?

Request a Demo Track this case, and find millions of cases like it, let us show you how.
Location ELECTRONIC
Filed Sept. 14, 2012
Examiner JOSEPH R POKRZYWA
Class 375
Art Group 3992
Case Type Re-Examination - 375/240000
Status Reexamination Certificate Issued
Original Case 08/159,122 Patented
Parent 07/857,980 Abandoned
Child 3-091548
Child 3-092741
Last Updated: 2 years, 7 months ago
Date # Transaction