| Serial Number | 87735436 |
| Word Mark | SENTINEL |
| Filing Date | Wednesday, December 27, 2017 |
| Status | 700 - REGISTERED |
| Status Date | Tuesday, February 5, 2019 |
| Registration Number | 5668544 |
| Registration Date | Tuesday, February 5, 2019 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, November 20, 2018 |
| Goods and Services | Multi-lift perforated screen for use in the wastewater treatment industry for liquid/solid separation such as pre-process debris removal, scum screening, and pre-screening of process waters |
| International Class | 007 - Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs. |
| US Class Codes | 013, 019, 021, 023, 031, 034, 035 |
| Class Status Code | 6 - Active |
| Class Status Date | Friday, January 12, 2018 |
| Primary Code | 007 |
| First Use Anywhere Date | Monday, October 2, 2017 |
| First Use In Commerce Date | Monday, October 2, 2017 |
| Party Name | DUPERON INNOVATION, LLC |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | SAGINAW, MI 48601 |
| Party Name | Duperon Innovation, LLC |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Saginaw, MI 48601 |
| Party Name | Duperon Innovation, LLC |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Saginaw, MI 48601 |
| Party Name | Duperon Innovation, LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Saginaw, MI 48601 |
| Event Date | Event Description |
| Saturday, December 30, 2017 | NEW APPLICATION ENTERED |
| Friday, January 12, 2018 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Saturday, April 7, 2018 | ASSIGNED TO EXAMINER |
| Saturday, April 14, 2018 | NON-FINAL ACTION WRITTEN |
| Saturday, April 14, 2018 | NON-FINAL ACTION E-MAILED |
| Saturday, April 14, 2018 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Friday, September 21, 2018 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Friday, September 21, 2018 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Saturday, September 22, 2018 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Wednesday, October 10, 2018 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, October 31, 2018 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, November 20, 2018 | PUBLISHED FOR OPPOSITION |
| Tuesday, November 20, 2018 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, February 5, 2019 | REGISTERED-PRINCIPAL REGISTER |
| Wednesday, April 12, 2023 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Monday, February 5, 2024 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Wednesday, July 9, 2025 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Wednesday, July 9, 2025 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Wednesday, July 9, 2025 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Monday, August 4, 2025 | TEAS SECTION 8 & 15 RECEIVED |
| Thursday, November 20, 2025 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Thursday, November 20, 2025 | POST REGISTRATION ACTION MAILED - SEC. 8 & 15 |