SPIROFORM
USPTO (United States) · Serial 71016173
- Status
- registered
- Status updated
- 21 December 1988
- Filing date
- 13 January 1906
- Registration date
- 22 May 1906
- Nice classification
- 18
- Owner
- BISCHOFF, ERNST
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71016173) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.