USPTO serial 72247737
R
Reviewed by CopyMark Law Group
Reg. 0838756Status 900
- Filing date
- Status date
- Registration date
- Nov 14, 1967
- 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 |
|---|---|---|---|
| 026 | APPARATUS FOR TESTING HEARING, COMPRISING AUDIOMETER, NOISE GENERATOR, ELECTRO-ACOUSTIC EAR, GROUP AUDIOMETER, SOUND ANALYZER AND ASSOCIATED AMPLIFIER, ACOUSTIC CALIBRATOR, AND NOISE-ATTENUATING EARPHONE HOUSINGS | EXPIRED | Dec 29, 1965 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jan 25, 1989 | EXRG | EXPIRED SEC. 9 | — |