Cancelled & expired registration

P

Status may change

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

USPTO status
· code 710 (Cancelled, Section 8)
Registration date
Jun 11, 1985
Filing date
Apr 5, 1984
Registration no.
1340268
Serial no.
73473978
Goods & services
Power Meters; Fiber Optic Light Sources; Fiber Optics Test Sets Comprised of an Optical Transmitter and Receiver; Optical Wave Form Analyzers; Light Attenuators; Reflectometers; Optical Signal Generators; Fiber Optic Spectral Analyzers; Sensor Heads; Adaptors for Sensor Heads; Data Loggers; Densitometers; Fiber Optic Transmission Heads; Fiber Optic Reflection Heads; Optical Filters and Optical Fil
Owner as listed with the USPTO
  • Minnesota Mining and Manufacturing Company
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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.