Cancelled & expired registration

Q.C.2

Registration expired per USPTO on Jan 31, 1994

Status may change

Ready for a second act? Here's what the USPTO record shows.

USPTO status
Registration expired per USPTO on Jan 31, 1994 · code 900 (Expired)
Registration date
Apr 24, 1973
Filing date
Nov 23, 1971
Registration no.
957729
Serial no.
72408531
Goods & services
PROCESS CONTROLLERS RESPONSIVE TO MELT VISCOSITY INDEX MEASUREMENT FOR INJECTION MOLDING MACHINES
Owner as listed with the USPTO
  • PENNWALT CORPORATION
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Status may change. The USPTO can reinstate a cancelled or expired registration, for example on a petition filed within 6 months, so this record could change. We re-check, but always verify the current status in TSDR.

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