POLYTRON
USPTO (United States) · Serial 73733587
- Status
- cancelled
- Status updated
- 19 September 2009
- Filing date
- 10 June 1988
- Registration date
- 14 February 1989
- Nice classification
- 10
- Owner
- SIEMENS AKTIENGESELLSCHAFT
- Owner country
- DE
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73733587) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.