SIGMA BLEND Trademark
SIGMA BLEND is a USPTO trademark filed by SIGMA-ALDRICH CO.. Status: Cancelled.
Trademark Facts
| Mark | SIGMA BLEND |
|---|---|
| Serial Number | 74197803 |
| Registration Number | 1774805 |
| Status | Cancelled |
| Filing Date | 1991-08-26 |
| Registration Date | 1993-06-08 |
| Mark Type | Word |
| Nice Classes | 001 (Chemicals) |
| Owner | SIGMA-ALDRICH CO. |
| Attorney of Record | DONALD G LEAVITT |
| Prosecution Events | 14 |
| Latest Event | CAEX on 2004-03-13 |
Goods & Services
chemical preparations; namely, collagenases, that are purified, standardized and blended; and/or chemical preparations; namely, enzymes for use in cell isolation research; "BLEND"