QA
USPTO (United States) · Serial 73445895
- Status
- cancelled
- Status updated
- 7 March 1991
- Filing date
- 29 September 1983
- Registration date
- 4 December 1984
- Nice classification
- 1
- Owner
- Mallinckrodt, Inc.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73445895) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.