USPTO serial 72291720
TECH-TROL
Reviewed by CopyMark Law Group
Reg. 0871383Status 900
- Filing date
- Status date
- Registration date
- Jun 17, 1969
- 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 |
|---|---|---|---|
| 044 | CONTROL UNIT FOR DENTAL HANDPIECES INCLUDING AIR PRESSURE REGULATING MECHANISM TO CONTROL THE SPEED AND POWER OF SUCH HANDPIECES FOR USE BY DENTISTS AND DENTAL TECHNICIANS | EXPIRED | Feb 13, 1968 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 3, 1992 | EXRG | EXPIRED SEC. 9 | — |