| Serial Number | 86548542 |
| Word Mark | CLEAN N COR |
| Filing Date | Friday, February 27, 2015 |
| Status | 790 - CANCELLATION PENDING |
| Status Date | Tuesday, August 26, 2025 |
| Registration Number | 4808550 |
| Registration Date | Tuesday, September 8, 2015 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, June 23, 2015 |
| Pseudo Mark | CLEAN AND CORROSION |
| Goods and Services | Technical consulting services related to deposit removal and corrosion inhibition in pipelines and equipment in the oilfield industry |
| Goods and Services | Chemical preparations used as multifunction corrosion inhibitors |
| 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 | 001, 005, 006, 010, 026, 046 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, March 12, 2015 |
| Primary Code | 001 |
| First Use Anywhere Date | Monday, April 30, 2007 |
| First Use In Commerce Date | Monday, April 30, 2007 |
| International Class | 037 - Building construction; repair; installation services. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | B - Sec. 8 - Class(es) in a Multiple Class registration |
| Class Status Date | Sunday, March 5, 2023 |
| Primary Code | 037 |
| First Use Anywhere Date | Monday, April 30, 2007 |
| First Use In Commerce Date | Monday, April 30, 2007 |
| Party Name | CHAMPIONX LLC |
| Party Type | 32 - New Owner After Registration |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | SUGAR LAND, TX 77478 |
| Party Name | CHAMPIONX USA INC. |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | SUGAR LAND, TX 77478 |
| Party Name | Ecolab USA Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Saint Paul, MN 55102 |
| Party Name | Ecolab USA Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Saint Paul, MN 55102 |
| Party Name | Ecolab USA Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Saint Paul, MN 55102 |
| Event Date | Event Description |
| Tuesday, March 3, 2015 | NEW APPLICATION ENTERED |
| Thursday, March 12, 2015 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, March 13, 2015 | NOTICE OF PSEUDO MARK E-MAILED |
| Tuesday, June 23, 2015 | PUBLISHED FOR OPPOSITION |
| Tuesday, September 8, 2015 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, September 8, 2020 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Wednesday, April 22, 2015 | ASSIGNED TO EXAMINER |
| Thursday, April 23, 2015 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Monday, May 18, 2015 | ASSIGNED TO LIE |
| Tuesday, May 19, 2015 | LAW OFFICE PUBLICATION REVIEW COMPLETED |
| Wednesday, June 3, 2015 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, June 23, 2015 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Wednesday, July 8, 2015 | ASSIGNED TO EXAMINER |
| Wednesday, August 17, 2022 | POST REGISTRATION ACTION MAILED - SEC. 8 |
| Wednesday, February 15, 2023 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Monday, February 27, 2023 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Wednesday, February 23, 2022 | TEAS SECTION 8 RECEIVED |
| Friday, July 29, 2022 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Wednesday, August 17, 2022 | POST REGISTRATION ACTION MAILED - SEC. 8 |
| Wednesday, August 31, 2022 | POST REGISTRATION ACTION MAILED - SEC. 8 |
| Monday, February 27, 2023 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Monday, February 27, 2023 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Monday, February 27, 2023 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Monday, February 27, 2023 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Wednesday, January 10, 2024 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Sunday, September 8, 2024 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Thursday, May 22, 2025 | TEAS SECTION 8 & 9 RECEIVED |
| Tuesday, February 28, 2023 | TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED |
| Sunday, March 5, 2023 | REGISTERED - PARTIAL SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Monday, March 6, 2023 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Wednesday, September 10, 2025 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Tuesday, August 26, 2025 | COUNTERCLAIM CANC. NO. 999999 |