USPTO serial 72338543
RXPO
Reviewed by CopyMark Law Group
Reg. 0894046Status 900
- Filing date
- Status date
- Registration date
- Jul 7, 1970
- Examiner
- —
- Law office
- FILE DESTROYED
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 |
|---|---|---|---|
| 021 | ELECTRIC POWER SYSTEMS, ELECTRIC POWER CONTROLS AND COMPONENTS THEREOF-NAMELY, DIRECT CURRENT POWER SUPPLIES, ALTERNATING CURRENT TO DIRECT CURRENT CONVERTERS, RECTIFYING CURCUITS, AND VOLTAGE OR CURRENT REGULATORS | EXPIRED | Jun 30, 1969 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |