USPTO serial 72035758
FLA
Reviewed by CopyMark Law Group
Reg. 0668817Status 900
- Filing date
- Status date
- Registration date
- Oct 28, 1958
- Examiner
- —
- Law office
- FILE REPOSITORY (FRANCONIA)
What this means
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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Owner
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 001 | PETROLEUM DERIVATIVE IN POWDERED FORM FOR INCORPORATING INTO FLUIDS USED IN HYDRAULICALLY FRACTURING OIL PRODUCING EARTH FORMATIONS, WHICH MATERIAL DECREASES THE PENETRABILITY OF THE FRACTURING FLUID INTO THE EARTH FORMATION | EXPIRED | Apr 9, 1956 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jan 30, 2001 | CAEX | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 | — |
| Jan 6, 1999 | PRA9 | POST REGISTRATION ACTION MAILED - SEC. 9 | — |
| Oct 28, 1998 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |
| Oct 28, 1978 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |