USPTO serial 72105032
AUTOGRAD
Reviewed by CopyMark Law Group
Reg. 0731503Status 900
- Filing date
- Status date
- Registration date
- May 15, 1962
- 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 | CONTINUOUS FLOW VARIABLE GRADIENT DEVICES FOR USE IN CHROMATOGRAPHY | EXPIRED | Apr 7, 1960 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jul 24, 1987 | EXRG | EXPIRED SEC. 9 | — |