| Serial Number | 86944282 |
| Word Mark | SUREBLOCK |
| Filing Date | Thursday, March 17, 2016 |
| Status | 702 - SECTION 8 & 15 - ACCEPTED AND ACKNOWLEDGED |
| Status Date | Tuesday, March 21, 2023 |
| Registration Number | 5036621 |
| Registration Date | Tuesday, September 6, 2016 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, June 21, 2016 |
| Pseudo Mark | SURE BLOCK |
| Goods and Services | Chemicals for use in industry and science, namely, a plugging agent for use in aqueous systems in hydrocarbon recovery |
| 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 | Tuesday, March 22, 2016 |
| Primary Code | 001 |
| First Use Anywhere Date | Wednesday, February 10, 2016 |
| First Use In Commerce Date | Wednesday, February 10, 2016 |
| Party Name | Weatherford Technology Holdings, LLC |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Houston, TX 77056 |
| Party Name | Weatherford Technology Holdings, LLC |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Houston, TX 77056 |
| Party Name | Weatherford Technology Holdings, LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Houston, TX 77056 |
| Event Date | Event Description |
| Tuesday, March 22, 2016 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, March 21, 2016 | NEW APPLICATION ENTERED |
| Thursday, May 12, 2016 | ASSIGNED TO EXAMINER |
| Tuesday, June 21, 2016 | PUBLISHED FOR OPPOSITION |
| Tuesday, June 21, 2016 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, September 6, 2016 | REGISTERED-PRINCIPAL REGISTER |
| Monday, September 6, 2021 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Tuesday, September 6, 2022 | TEAS SECTION 8 & 15 RECEIVED |
| Wednesday, March 23, 2016 | NOTICE OF PSEUDO MARK E-MAILED |
| Friday, May 13, 2016 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, June 1, 2016 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Monday, April 29, 2019 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Tuesday, March 21, 2023 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Tuesday, March 21, 2023 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Tuesday, March 21, 2023 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Saturday, September 6, 2025 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Wednesday, May 3, 2023 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |