USPTO serial 71487829
EMPCO
Reviewed by CopyMark Law Group
Reg. 0425251Status 900
- Filing date
- Status date
- Registration date
- Nov 12, 1946
- 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 | ELECTRONIC-MECHANICAL INSTRUMENT FOR THE INTEGRATION OF PRESELECTED QUANTITIES OF LIGHT AND RADIANT ENERGY, AND FOR THE AUTOMATIC CONTROL OFTIME IN THE EXPOSURE TO AFFECT THE SELECTED QUANTITY CUMULATIVELY | EXPIRED | Aug 15, 1945 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Mar 6, 1987 | EXRG | EXPIRED SEC. 9 | — |
| Nov 12, 1966 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |