Cancelled & expired registration
W
Registration expired per USPTO on Aug 12, 2006
Status may changeReady for a second act? Here's what the USPTO record shows.
- USPTO status
- Registration expired per USPTO on Aug 12, 2006 · code 900 (Expired)
- Registration date
- Nov 4, 1975
- Filing date
- Apr 27, 1973
- Registration no.
- 1024364
- Serial no.
- 72455892
- Goods & services
- [ SEMICONDUCTOR DEVICES AND ASSEMBLIES THEREOF; ASSEMBLIES OF SEMICONDUCTOR DEVICES AND COOLING STRUCTURES IN THE FORM OF MOUNTINGS FOR THYRISTORS, DIODES OR TRANSISTORS PROVIDING COOLING BY NATURAL OR FORCED FLOW OF AIR OR LIQUID THROUGH OR OVER THE STRUCTURE; ] ELECTRICAL AND ELECTRONICS SUPERVISORY CONTROL UNITS FOR THYRISTORS, DIODES OR TRANSISTORS; ELECTRICAL POWER SUPPLY APPARATUS USING SUCH
- Owner as listed with the USPTO
- WESTINGHOUSE BRAKE AND SIGNAL HOLDINGS LIMITED
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