| Serial Number | 71621143 |
| Word Mark | CONTRAFLO |
| Filing Date | Tuesday, November 13, 1951 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Friday, May 9, 2025 |
| Registration Number | 0599016 |
| Registration Date | Tuesday, December 7, 1954 |
| Mark Drawing | 1 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Pseudo Mark | CONTRAFLOW |
| Goods and Services | SLUDGE CLARIFIER COMPRISED OF A TANK CONTAINING A MOTOR-DRIVEN AGITATOR, BAFFLES AND PIPING INTO WHICH A LIQUID CONTAINING SLUDGE IS PASSED AND THE SLUDGE SEPARATED BY SEDIMENTATION FROM THE CLARIFIED EFFLUENT |
| International Class | 007 - Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs. |
| US Class Codes | 023 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, March 1, 1983 |
| Primary Code | 023 |
| First Use Anywhere Date | Thursday, March 1, 1951 |
| First Use In Commerce Date | Thursday, March 1, 1951 |
| Party Name | WESTECH ENGINEERING, LLC |
| Party Type | 44 - New Owner After Registration |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | SALT LAKE CITY, UT 84115 |
| Party Name | WESTECH ENGINEERING, INC. |
| Party Type | 43 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | SALT LAKE CITY, UT 84115 |
| Party Name | SIEMENS WATER TECHNOLOGIES CORP. |
| Party Type | 42 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | LOWELL, MA 01851 |
| Party Name | U.S. FILTER WASTEWATER GROUP, INC. |
| Party Type | 41 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | WARRENDALE, PA 15086 |
| Party Name | GENERAL FILTER COMPANY |
| Party Type | 40 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | AMES, IA |
| Party Name | GENERAL FILTER COMPANY |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | AMES, IA |
| Event Date | Event Description |
| Thursday, February 9, 1995 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Thursday, January 27, 2005 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) |
| Thursday, December 18, 2014 | REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS) |
| Friday, May 9, 2025 | REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS) |
| Friday, May 9, 2025 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Wednesday, August 24, 2022 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Wednesday, April 27, 2011 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, February 28, 2007 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, January 9, 2013 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, June 9, 2021 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Monday, December 6, 2004 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Thursday, January 27, 2005 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Thursday, December 18, 2014 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Friday, May 9, 2025 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Friday, December 2, 1994 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |
| Monday, December 6, 2004 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Wednesday, August 24, 2022 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Saturday, December 7, 1974 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |
| Monday, December 8, 2014 | TEAS SECTION 8 & 9 RECEIVED |
| Monday, December 6, 2004 | TEAS SECTION 8 & 9 RECEIVED |
| Monday, December 9, 2024 | TEAS SECTION 8 & 9 RECEIVED |
| Friday, May 9, 2025 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Thursday, December 18, 2014 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Thursday, December 7, 2023 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Friday, January 23, 2009 | CASE FILE IN TICRS |
| Wednesday, August 24, 2022 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |