| Serial Number | 79437554 |
| Word Mark | DURAPRO |
| Filing Date | Friday, October 24, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Wednesday, May 6, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, May 26, 2026 |
| Goods and Services | Automotive, industrial, and all-purpose lubricants; lubricating oil for motor vehicle engines, lubricating oils and greases |
| International Class | 004 - Industrial oils and greases; lubricants; dust absorbing, wetting and binding compositions; fuels (including motor spirit) and illuminants; candles and wicks for lighting. |
| US Class Codes | 001, 006, 015 |
| Class Status Code | 6 - Active |
| Class Status Date | Friday, November 21, 2025 |
| Primary Code | 004 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Castrol Limited |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 99 - Other |
| Address | GB |
| Event Date | Event Description |
| Friday, November 21, 2025 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Monday, November 24, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, November 24, 2025 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, March 10, 2026 | ASSIGNED TO EXAMINER |
| Tuesday, March 10, 2026 | NON-FINAL ACTION WRITTEN |
| Wednesday, March 11, 2026 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |
| Thursday, April 16, 2026 | REFUSAL PROCESSED BY MPU |
| Thursday, April 16, 2026 | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB |
| Wednesday, April 29, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Wednesday, April 29, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, April 29, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Thursday, April 30, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Thursday, April 30, 2026 | REFUSAL PROCESSED BY IB |