USPTO serial 71660003
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This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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HUNTINGTON PARK, CA
| Class | Description | Status | First use |
|---|---|---|---|
| 023 | FISHING TOOLS FOR INSERTING OR REMOVING EQUIPMENT WITHIN OIL WELLS-NAMELY, STANDING VALVE RETRIEVING PRONGS, STANDING VALVE INSERTING PRONGS, AND PUMP RETRIEVERS; STARTING FILTER ASSEMBLIES ADAPTED TO FILTER POWER FLUID INTRODUCED INTO THE ENGINE ENDS OF BOTTOM HOLE HYDRAULIC OIL WELL PUMPS; OIL WELL TUBING CLEANING TOOLS FOR BRUSHING AND SCRAPING TUBING STRINGS; TUBING STRING GAUGING TOOLS; SOLUBLE PLUG INJECTORS FOR INTRODUCING SOLUBLE PLUGS INTO TUBING STRINGS TO REMOVE PARAFFIN FROM SAME; PRESSURE BOMB CARTRIDGES ADAPTED TO HOLD PRESSURE BOMBS FOR BOTTOM HOLE PRESSURE SURVEYS; KNOCK OUT COLLARS FOR BLEEDING POWER FLUID FROM POWER OIL TUBING STRINGS PRIOR TO REMOVAL FROM WELLS; SEATING SHOES PROVIDING A FLUID SEAL BETWEEN BOTTOM HOLE PUMP INTAKES AND EXHAUSTS; GAS ANCHORS TO SEPARATE WELL FLUID FROM ENTRAINED GASES WITHIN OIL WELLS; LUBRICATORS FOR INSERTING OR REMOVING HYDRAULIC PUMPS AGAINST PRESSURE IN TUBING STRINGS; BOTTOM HOLE ASSEMBLIES FOR RECEIPT OF BOTTOM HOLE HYDRAULIC OIL WELL PUMPS; AND PACKER NOSE ASSEMBLIES FOR ATTACHMENT TO BOTTOM HOLE HYDRAULIC OIL WELL PUMPS | EXPIRED | — |
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Apr 2, 1996 | EXRG | EXPIRED SEC. 9 | — |
| Jun 28, 1975 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |