DUOLASE Trademark
Trademark Overview
On Friday, July 25, 1975, a trademark application was filed for DUOLASE with the United States Patent and Trademark Office. The USPTO has given the DUOLASE trademark a serial number of 73058765. The federal status of this trademark filing is EXPIRED as of Monday, January 13, 1997. This trademark is owned by DIAMOND SHAMROCK CORPORATION. The DUOLASE trademark is filed in the Chemical Products category with the following description:
IMMOBILIZED ENZYME PREPARATIONS FOR INDUSTRIAL AND TECHNICAL USE
General Information
| Serial Number | 73058765 |
| Word Mark | DUOLASE |
| Filing Date | Friday, July 25, 1975 |
| Status | 900 - EXPIRED |
| Status Date | Monday, January 13, 1997 |
| Registration Number | 1037149 |
| Registration Date | Tuesday, April 6, 1976 |
| Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
Trademark Statements
| Goods and Services | IMMOBILIZED ENZYME PREPARATIONS FOR INDUSTRIAL AND TECHNICAL USE |
Classification Information
| International Class | 001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry. |
| US Class Codes | 006 |
| Class Status Code | 9 - Expired |
| Class Status Date | Monday, January 13, 1997 |
| Primary Code | 001 |
| First Use Anywhere Date | Friday, February 1, 1974 |
| First Use In Commerce Date | Friday, February 1, 1974 |
Trademark Owner History
| Party Name | DIAMOND SHAMROCK CORPORATION |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | CLEVELAND, OH 44114 |
Trademark Events
| Event Date | Event Description |
| Monday, January 13, 1997 | EXPIRED SEC. 9 |
| Monday, July 27, 1981 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
