USPTO serial 71566137
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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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| Class | Description | Status | First use |
|---|---|---|---|
| 034 | HEAT EXCHANGERS FOR TRANSFERRING HEAT BETWEEN ANY TWO FLUIDS SUCH AS GASES, VAPORS OR LIQUIDS AND COMBINATIONS THEREOF, FOR EXAMPLE COOLERS FOR MILK, JUICES, DIESEL JACKET WATER, LUBRICATING OIL, HYDRAULIC FLUID, PLATING BATH SOLUTIONS, CUTTING OIL, QUENCHING OIL, REFRIGERANTS, FLUIDS USED IN THE FOOD AND DRUG INDUSTRIES, HEATERS FOR FRESH AND SALT WATER, FUELS, OILS, VEGETABLE AND FRUIT JUICES AND CHEMICAL SOLUTIONS | EXPIRED | May 26, 1948 |
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 |
|---|---|---|---|
| Nov 3, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Sep 4, 1971 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |