USPTO serial 73014249
WATTMISER
Reviewed by CopyMark Law Group
Reg. 1004731Status 900
- Filing date
- Status date
- Registration date
- Feb 18, 1975
- Examiner
- —
- Law office
- —
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 |
|---|---|---|---|
| 009 | SOLID STATE ELECTRICAL CONTROL OF THE SPEED OF A WOUND ROTOR MOTOR EMPLOYING THE PRINCIPLES OF REGENERATION OF POWER TO THE AC SUPPLY THROUGH RECTIFICATION AND INVERSION OF THE SECONDARY CURRENT OF THE WOUND ROTOR MOTOR TO MINIMIZE ELECTRICAL LOSSES AS THE MOTOR IS SPEED CONTROLLED BELOW SYNCHRONOUS SPEED | EXPIRED | Dec 11, 1973 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 27, 1995 | EXRG | EXPIRED SEC. 9 | — |
| May 26, 1981 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |