ALS
USPTO (United States) · Serial 74166830
- Status
- cancelled
- Status updated
- 20 July 1999
- Filing date
- 15 May 1991
- Registration date
- 12 January 1993
- Nice classification
- 9, 20
- Owner
- American Lightwave Systems, Inc.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74166830) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.