USPTO serial 71654063
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This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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ROBERT W. DUDLEY
135 S LASALLE STCHICAGO, IL 60603UNITED STATES| Class | Description | Status | First use |
|---|---|---|---|
| 018 | MEDICAL GASES-NAMELY, HELIUM AND OXYGEN MIXTURE, CARBON DIOXIDE AND OXYGEN MIXTURE, MEDICAL CARBON DIOXIDE, CYCLOPROPANE, MEDICAL HELIUM GAS, ANHYDROUS NITROUS OXIDE, MEDICAL OXYGEN, MEDICAL ETHYLENE GAS, AND THERAPY OXYGEN | EXPIRED | Oct 15, 1946 |
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Aug 7, 1995 | EXRG | EXPIRED SEC. 9 | — |
| Nov 2, 1974 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |
| Nov 18, 1959 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |
| Feb 8, 1955 | COC. | CORRECTION UNDER SECTION 7 - PROCESSED | — |