P.C.Q.
USPTO (United States) · Serial 73190459
- Status
- registered
- Status updated
- 4 May 2021
- Filing date
- 26 December 1978
- Registration date
- 29 December 1981
- Nice classification
- 5
- Owner
- Bell Laboratories, Inc.
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73190459) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.