skip navigationU S P T O SealUnited States Patent and Trademark Office TTABVUE logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
TTABVUE. Trademark Trial and Appeal Board Inquiry System
v2.5.0

Summary

Query: Party Name contains all words: CHALLENGE CHEMICAL CORPORATION
Number of results: 2

Proceeding
Filing Date
Defendant(s),
Property(ies)
Plaintiff(s),
Property(ies)
91086712
01/10/1992
CHALLENGE CHEMICAL CORPORATION
Mark: ECOLO-KLEEN S#:74045770
ECOLAB INC.
Mark: ECO-KLENE S#:73096416 R#:1073420
91083673
10/01/1990
CHALLENGE CHEMICAL CORPORATION
Mark: TRITECTIN S#:74011190
SCHERING-PLOUGH HEALTHCARE PRODUCTS, INC.
Mark: TRITIN S#:73719155 R#:1509906

Results as of 11/22/2024 01:37 PMSearch again
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY POLICY