![](/us.svg)
Trademark: 71564617
Status Date
Friday, April 1, 2016
Registration Number
0522684
Registration Date
Tuesday, March 21, 1950
Filing Date
Friday, September 3, 1948
Cancellation Date
Friday, April 1, 2016
1 DIATOMACEOUS EARTH IN POWDERED FORM, USED AS A FILTER AID, FILLER, OR ABSORBENT
Apr 1, 2016
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Oct 8, 2008
Case File In Ticrs
Nov 24, 2000
Registered And Renewed (Fourth Renewal - 10 Yrs)
Nov 24, 2000
Registered - Sec. 8 (10-Yr) Accepted/Sec. 9 Granted
Mar 23, 2000
Registered - Combined Section 8 (10-Yr) & Sec. 9 Filed
Apr 23, 1990
Registered And Renewed (Second Renewal - 10 Yrs)
Mar 15, 1990
Registered - Sec. 9 Filed/Check Record For Sec. 8
Mar 21, 2070
Registered And Renewed (First Renewal - 20 Yrs)
Trademark Alertz updated from USPTO on 2030-01-24