THE M4 SYSTEM
USPTO (United States) · Serial 74613745
- Status
- abandoned
- Status updated
- 29 May 1996
- Filing date
- 21 December 1994
- Registration date
- -
- Nice classification
- 9
- Owner
- MALLINCKRODT CHEMICAL, INC.
- Owner country
- US
- Raw status code
- 606
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74613745) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.