USPTO serial 71444992
THOMAS A. EDISON
Reviewed by CopyMark Law Group
Reg. 0392625Status 900
- Filing date
- Status date
- Registration date
- Jan 6, 1942
- 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 |
|---|---|---|---|
| 006 | GASES DESIGNED PRIMARILY FOR USE BY ANESTHETISTS, PHYSICIANS, AND DENTISTS, AND INCLUDING OXYGEN, NITROGEN, CYCLOPROPANE, HELIUM, NITRCUS OXIDE, COMPRESSED AIR, CARBON DIOXIDE AND OXYGEN MIXTURES, HELIUM AND OXYGEN MIXTURES, CARBON DIOXIDE, NITROGEN AND OXYGEN MIXTURES, AND NITROGEN AND CARBON DIOXIDE MIXTURES, AND FOR GAS-ABSORBING MATERIAL, PARTICULARLY GAS-ABSORBING MATERIAL COMPRISING A MIXTURE OF SOLID POROUS SUBSTANCES INCLUDING CALCIUM AND BARIUM HYDROXIDES AND ESPECIALLY ADAPTED UPON EXPOSURE TO GASEOUS MIXTURES TO ABSORB ACID GASES WHICH MAY BE PRESENT | EXPIRED | Dec 16, 1938 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jan 10, 1986 | EXRG | EXPIRED SEC. 9 | — |