USPTO serial 72115539
DURON
Reviewed by CopyMark Law Group
Reg. 0741190Status 900
- Filing date
- Status date
- Registration date
- Nov 27, 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 |
|---|---|---|---|
| 021 | NITROGEN FORMING CHEMICAL ADDITIVE FOR LIQUID DIELECTRIC IMPREGNANTS USED IN ELECTRICAL CAPACITORS, SAID ADDITIVE BEING SOLD ONLY AS AN INGREDIENT OF THE FINISHED CAPACITORS AND NOT AS SUCH | EXPIRED | Feb 27, 1961 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Oct 3, 1987 | EXRG | EXPIRED SEC. 9 | — |