USPTO serial 71603353
ISATRON
Reviewed by CopyMark Law Group
Reg. 0572837Status 900
- Filing date
- Status date
- Registration date
- Apr 7, 1953
- Examiner
- —
- Law office
- —
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 | ION SOURCE FOR A MASS SPECTROMETER, SOMETIMES KNOWN AS APPARATUS FOR PRODUCING IONS BY MEANS OF AN ELECTRON BEAM | EXPIRED | Jul 21, 1950 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jan 10, 1994 | EXRG | EXPIRED SEC. 9 | — |
| Apr 7, 1973 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |