PERFHEAL
Live / Registered — Expired (as of 04 Nov 1992)
What this means for you
Registered since 31 Mar 1970. The owner can stop confusingly similar uses in the classes it covers.
Record
- Serial number
- 72314315
- Registration number
- 0888526
- Mark type
- Word mark
- Filed
- 12 Dec 1968
- Registered
- 31 Mar 1970
Goods and services
- Class 001 — Chemicals
- Class 006 — Metal goods: WELLBORE FLUID ADDITIVES AS BLENDS CONTAINING LIGNOSULFONATES AND SIZED CARBONATES USED TO PREVENT DAMAGE TO PRODUCING ZONES OF OIL, GAS AND WATER WELLS BY INVADING FLUID OR FILTRATE IN THE WORKOVER, COMPLETION, DRILLING, FRACTURING AND PERFORATING OF SUCH WELLS USING FRESH WATER, SEA WATER, OR VARIOUS BRINES
Owner
- CHEMICAL ADDITIVES COMPANY, HOUSTON, TX, US
Prosecution history
- 04 Nov 1992 — EXPIRED SEC. 9