| Serial Number | 86367943 |
| Word Mark | KNIFE RIVER |
| Filing Date | Friday, August 15, 2014 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Tuesday, July 22, 2025 |
| Registration Number | 4722892 |
| Registration Date | Tuesday, April 21, 2015 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, February 3, 2015 |
| Goods and Services | Construction materials, namely, asphalt, concrete, ready mix concrete, cement mixes, rocks and gravel, lignite and bituminous coal tars, and aggregate material comprised of the foregoing for construction of roads, streets, infrastructure, commercial and residential buildings and subdivisions, resorts and golf courses; concrete building materials, namely, blocks and pavers |
| Goods and Services | Mining extraction; rock, sand, gravel and hard rock quarry mining; construction planning, managing and supervision; construction of roads, streets, infrastructure, commercial and residential buildings and subdivisions, resorts, golf courses; land reclamation; waste petroleum collection for recycling |
| Goods and Services | Mining and mineral exploration services |
| International Class | 019 - Building materials (non-metallic); nonmetallic rigid pipes for building; asphalt, pitch and bitumen; nonmetallic transportable buildings; monuments, not of metal. |
| US Class Codes | 001, 012, 033, 050 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, August 27, 2014 |
| Primary Code | 019 |
| First Use Anywhere Date | Tuesday, January 9, 2007 |
| First Use In Commerce Date | Tuesday, January 9, 2007 |
| International Class | 037 - Building construction; repair; installation services. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, August 27, 2014 |
| Primary Code | 037 |
| First Use Anywhere Date | Tuesday, January 9, 2007 |
| First Use In Commerce Date | Tuesday, January 9, 2007 |
| International Class | 042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, August 27, 2014 |
| Primary Code | 042 |
| First Use Anywhere Date | Tuesday, January 9, 2007 |
| First Use In Commerce Date | Tuesday, January 9, 2007 |
| Party Name | KNIFE RIVER CORPORATION |
| Party Type | 33 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | BISMARCK, ND 58503 |
| Party Name | MDU Resources Group, Inc. |
| Party Type | 32 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | BISMARCK, ND 58503 |
| Party Name | MDUR NEWCO, INC. |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | BISMARCK, ND 58503 |
| Party Name | MDU Resources Group, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Bismark, ND 58506 |
| Party Name | MDU Resources Group, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Bismark, ND 58506 |
| Party Name | MDU Resources Group, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Bismark, ND 58506 |
| Event Date | Event Description |
| Tuesday, December 2, 2014 | NON-FINAL ACTION WRITTEN |
| Tuesday, August 19, 2014 | NEW APPLICATION ENTERED |
| Wednesday, August 27, 2014 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, December 2, 2014 | ASSIGNED TO EXAMINER |
| Tuesday, December 2, 2014 | NON-FINAL ACTION E-MAILED |
| Tuesday, December 2, 2014 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Tuesday, February 3, 2015 | PUBLISHED FOR OPPOSITION |
| Wednesday, December 3, 2014 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Wednesday, December 3, 2014 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, December 4, 2014 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Friday, December 5, 2014 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Tuesday, December 23, 2014 | ASSIGNED TO LIE |
| Saturday, December 27, 2014 | LAW OFFICE PUBLICATION REVIEW COMPLETED |
| Wednesday, January 14, 2015 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, February 3, 2015 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, April 21, 2015 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, August 21, 2018 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Tuesday, August 21, 2018 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Wednesday, March 27, 2019 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, April 17, 2019 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, July 24, 2019 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Tuesday, April 21, 2020 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Friday, September 25, 2020 | TEAS SECTION 8 & 15 RECEIVED |
| Tuesday, December 8, 2020 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Wednesday, July 5, 2023 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, December 9, 2020 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Wednesday, December 9, 2020 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Wednesday, June 21, 2023 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Sunday, April 21, 2024 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Tuesday, February 25, 2025 | TEAS SECTION 8 & 9 RECEIVED |
| Tuesday, July 22, 2025 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Tuesday, July 22, 2025 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Tuesday, July 22, 2025 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Tuesday, July 22, 2025 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |