| Serial Number | 86210029 |
| Word Mark | TBLOCKSURE |
| Filing Date | Tuesday, March 4, 2014 |
| Status | 702 - SECTION 8 & 15 - ACCEPTED AND ACKNOWLEDGED |
| Status Date | Thursday, July 15, 2021 |
| Registration Number | 4601546 |
| Registration Date | Tuesday, September 9, 2014 |
| Mark Drawing | 4000 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, June 24, 2014 |
| Pseudo Mark | T BLOCK SURE |
| Goods and Services | Self-degradable temporary blocking agent used in the oil and gas industry for reservoir stimulation treatments to temporarily block and/or divert fluid from the formation matrix, fractures, and/or perforations |
| 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 | Saturday, March 15, 2014 |
| Primary Code | 001 |
| First Use Anywhere Date | Monday, July 1, 2013 |
| First Use In Commerce Date | Thursday, January 9, 2014 |
| Party Name | WEATHERFORD TECHNOLOGY HOLDINGS, LLC |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | HOUSTON, TX 77056 |
| Party Name | Weatherford/Lamb, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Houston, TX 77056 |
| Party Name | Weatherford/Lamb, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Houston, TX 77056 |
| Party Name | Weatherford/Lamb, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Houston, TX 77056 |
| Event Date | Event Description |
| Saturday, September 9, 2023 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Wednesday, May 3, 2023 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Friday, July 16, 2021 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Thursday, July 15, 2021 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Thursday, July 15, 2021 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Tuesday, March 9, 2021 | TEAS SECTION 8 & 15 RECEIVED |
| Monday, September 9, 2019 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Monday, April 29, 2019 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Wednesday, November 12, 2014 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Tuesday, September 9, 2014 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, June 24, 2014 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, June 24, 2014 | PUBLISHED FOR OPPOSITION |
| Wednesday, June 4, 2014 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Thursday, May 22, 2014 | LAW OFFICE PUBLICATION REVIEW COMPLETED |
| Thursday, May 22, 2014 | ASSIGNED TO LIE |
| Friday, May 9, 2014 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Monday, May 5, 2014 | EXAMINER'S AMENDMENT ENTERED |
| Monday, May 5, 2014 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Monday, May 5, 2014 | EXAMINERS AMENDMENT E-MAILED |
| Monday, May 5, 2014 | EXAMINERS AMENDMENT -WRITTEN |
| Friday, April 25, 2014 | EXAMINER'S AMENDMENT ENTERED |
| Friday, April 25, 2014 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Friday, April 25, 2014 | EXAMINERS AMENDMENT E-MAILED |
| Friday, April 25, 2014 | EXAMINERS AMENDMENT -WRITTEN |
| Friday, April 18, 2014 | ASSIGNED TO EXAMINER |
| Tuesday, March 18, 2014 | NOTICE OF PSEUDO MARK E-MAILED |
| Saturday, March 15, 2014 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, March 7, 2014 | NEW APPLICATION ENTERED |