USPTO serial 71558174
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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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| Class | Description | Status | First use |
|---|---|---|---|
| 101 | CHEMICAL AND ENGINEERING CONSULTING SERVICES, AND ANALYSES-NAMELY, CHEMICAL PRODUCTS DEVELOPMENT, CHEMICAL PRODUCTS CONTROL, DESIGNING CHEMICAL EQUIPMENT CHEMICAL ANALYSES, PHYSICAL TESTING AND BACTERIOLOGICAL INVESTIGATION OF PRODUCTS; MAKING CLINICAL STUDIES TO DETERMINE SAFETY OR EFFECTIVENESS OF SUCH MATERIALS AS DRUGS, TOXOLOGICAL INVESTIGATION, MAKING VITAMIN ASSAY AND PHYSIOLOGICAL STUDIES WITH RESPECT TO FOODS AND DRUGS; ORGANIC SYNTHESES; ANALYTICAL AND OTHER SCIENTIFIC INVESTIGATION OF RUBBER AND OTHER PLASTICS; RESEARCH IN SURFACE ACTIVITY, DETERGENCY AND CORROSION; DESIGN AND OPERATION OF PILOT PLANTS; CALIBRATION OF EQUIPMENT, APPARATUS AND SECONDARY STANDARDS; MARKET RESEARCH, AND FORECAST SERVICE AND SALES ANALYSIS IN REFERENCE TO THE FIELD OF CHEMICALS AND DIRECT CHEMICAL PRODUCTS, CONSULTING SERVICES IN THE FIELD OF GENERAL CHEMICAL ENGINEERING, PLANT INSPECTION SERVICE, AND SUPERVISION OF PLANT OPERATIONS | EXPIRED | — |
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 |
|---|---|---|---|
| Nov 3, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Jan 30, 1971 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |