PORTOBLOCKS
USPTO (United States) · Serial 72113554
- Status
- cancelled
- Status updated
- 20 July 2002
- Filing date
- 13 February 1961
- Registration date
- 10 October 1961
- Nice classification
- 35
- Owner
- H. K. Porter Company, Inc.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72113554) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.