![](/us.svg)
Trademark: 72055870
Word
PERMIANSEAL
Status Date
Friday, December 29, 2000
Registration Number
0680222
Registration Date
Tuesday, June 16, 1959
Filing Date
Wednesday, July 23, 1958
1 NON-CHEMICAL DRILLING MUD ADDITIVE
Dec 29, 2000
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Jun 16, 1979
Registered And Renewed (First Renewal - 20 Yrs)
Trademark Alertz updated from USPTO on 2030-01-24