USPTO serial 71399798
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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 | WATER HEATERS FOR HOUSEHOLD AND INDUSTRIAL HOT-WATER SUPPLY, CONSISTING OF GAS FIRED INSTANTANEOUS AND STORAGE WATER HEATERS, LIQUID-FUEL-FIRED INSTANTANEOUS AND STORAGE WATER HEATERS, SOLID-FUEL-FIRED INSTANTANEOUS AND STORAGE WATER HEATERS AND ELECTRIC INSTANTANEOUS AND STORAGE WATER HEATERS, HEATING BOILERS FOR HOT WATER SUPPLY; GAS, LIQUIS FUEL, SOLID FUEL, AND ELECTRID BOILERS; RADIATOR ELEMENTS, CONDENSERS, EVAPORATORS, AND PARTS OF SUCH APPARATUSES-NAMELY, PYROPHORIC AND CATALYTIC IGNITORS, WATER-HEATING COILS, PILOT LIGHTS, GAS AND LIQUID FUEL BURNERS, BURNER BLOWERS, CONTROL SYSTEMS FOR AUTOMATICALLY PREVENTING THE BACK FLOW OF WASTE GASES, CONTROL SYSTEMS OPERATED AUTOMATICALLY SHUTTING OFF THE FLOW OF FUEL GAS UPON EXTINGUISHMENT OF THE PILOT BURNER, CONTROL SYSTEMS FOR AUTOMATICALLY SHUTTING OFF THE FUEL SUPPLY UPON LACK OF WATER, AND CONTROL SYSTEMS FOR AUTOMATICALLY SHUTTING OFF FLOW OF FUEL GAS UPON BACK DRAFT OF WASTE GASES; APPATATUS FOR CENTRAL HEATING OF BUILDINGS, BOILERS FOR HOT WATER AND STEAM, AIR CONDITIONING AND VENTILATING APPARARTUS FOR DOMESTIC AND INDUSTRIAL USES | EXPIRED | Jan 6, 1937 |
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 |
|---|---|---|---|
| Mar 2, 1999 | EXRG | EXPIRED SEC. 9 | — |
| May 24, 1978 | REN2 | REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS) | — |