USPTO serial 72176934
MG
Reviewed by CopyMark Law Group
Reg. 0776523Status 900
- Filing date
- Status date
- Registration date
- Sep 8, 1964
- Examiner
- —
- Law office
- FILE DESTROYED
What this means
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Owner
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 021 | AMPLIFIERS-NAMELY, D.C. DIFFERENTIAL AMPLIFIERS, A.C. AMPLIFIERS, ELECTROCARDIOGRAPH AMPLIFIERS, AND PARTS THEREOF | EXPIRED | Aug 10, 1963 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Dec 8, 1984 | EXRG | EXPIRED SEC. 9 | — |