| Serial Number | 72249849 |
| Word Mark | DESCO |
| Filing Date | Friday, July 8, 1966 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Friday, June 9, 2017 |
| Registration Number | 0827449 |
| Registration Date | Tuesday, April 18, 1967 |
| Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | DRILLING MUD VISCOSITY REDUCER |
| 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 | 6 - Active |
| Class Status Date | Tuesday, November 2, 1999 |
| Primary Code | 006 |
| First Use Anywhere Date | Tuesday, January 18, 1966 |
| First Use In Commerce Date | Tuesday, January 18, 1966 |
| Party Name | CHEVRON PHILLIPS CHEMICAL COMPANY LP |
| Party Type | 41 - New Owner After Registration |
| Legal Entity Type | 13 - Limited Partnership |
| Address | THE WOODLANDS, TX 77380 |
| Party Name | PHILLIPS PETROLEUM COMPANY |
| Party Type | 40 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | BARTLESVILLE, OK |
| Party Name | DRILLING SPECIALTIES COMPANY |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | BARTLESVILLE, OK |
| Event Date | Event Description |
| Monday, October 30, 2023 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Monday, October 30, 2023 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Monday, October 30, 2023 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Friday, June 9, 2017 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Friday, June 9, 2017 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) |
| Friday, June 9, 2017 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Friday, June 9, 2017 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Monday, April 17, 2017 | TEAS SECTION 8 & 9 RECEIVED |
| Monday, April 18, 2016 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Friday, June 28, 2013 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Friday, June 28, 2013 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Thursday, February 5, 2009 | CASE FILE IN TICRS |
| Thursday, March 15, 2007 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Thursday, March 15, 2007 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Tuesday, March 6, 2007 | ASSIGNED TO PARALEGAL |
| Wednesday, January 17, 2007 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Wednesday, January 17, 2007 | TEAS SECTION 8 & 9 RECEIVED |
| Tuesday, September 19, 2006 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Saturday, April 18, 1987 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |
| Monday, February 2, 1987 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |