| Serial Number | 72252553 |
| Word Mark | ZONELOCK |
| Filing Date | Wednesday, August 17, 1966 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Friday, December 22, 2017 |
| Registration Number | 0839748 |
| Registration Date | Tuesday, November 28, 1967 |
| Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | CHEMICAL TREATMENT OF WELLS AND UNDERGROUND EARTH FORMATIONS |
| International Class | 037 - Building construction; repair; installation services. |
| US Class Codes | 103 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, November 2, 1999 |
| Primary Code | 103 |
| First Use Anywhere Date | Thursday, April 14, 1966 |
| First Use In Commerce Date | Thursday, April 14, 1966 |
| Party Name | SCHLUMBERGER TECHNOLOGY CORPORATION |
| Party Type | 41 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | SUGAR LAND, TX 77478 |
| Party Name | DOWELL SCHLUMBERGER INCORPORATED |
| Party Type | 40 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | TULSA, OK 74101 |
| Party Name | DOW CHEMICAL COMPANY, THE |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | MIDLAND, MI 48640 |
| Event Date | Event Description |
| Friday, December 22, 2017 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Friday, December 22, 2017 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) |
| Friday, December 22, 2017 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Friday, December 22, 2017 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Tuesday, November 28, 2017 | TEAS SECTION 8 & 9 RECEIVED |
| Monday, November 28, 2016 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Wednesday, April 22, 2015 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Tuesday, February 17, 2009 | CASE FILE IN TICRS |
| Thursday, December 11, 2008 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Thursday, December 11, 2008 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Thursday, July 17, 2008 | FAX RECEIVED |
| Wednesday, February 27, 2008 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Thursday, December 6, 2007 | POST REGISTRATION ACTION MAILED - SEC. 8 & 9 |
| Monday, November 26, 2007 | ASSIGNED TO PARALEGAL |
| Tuesday, November 20, 2007 | TEAS SECTION 8 & 9 RECEIVED |
| Saturday, November 28, 1987 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |
| Friday, September 4, 1987 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |