Download Docs
Export

HOLLOW - CATHODE ELECTRODE FOR HIGH-POWER, HIGH-PRESSURE DISCHARGE DEVICES

08/133,400 | 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 FILE REPOSITORY (FRANCONIA)
Filed Oct. 8, 1993
Examiner MICHAEL HENRY DAY
Class 313
Art Group 2211
Patent No. 5,444,332
Case Type Utility - 313/618000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 4 years, 10 months ago
Date # Transaction