POLYBLOC
USPTO (United States) · Serial 81028219
- Status
- cancelled
- Status updated
- 18 May 1982
- Filing date
- -
- Registration date
- 23 December 1975
- Nice classification
- 23
- Owner
- Windmoller & Holscher (K.G.)
- Owner country
- DE
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 81028219) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.