| Serial Number | 85903032 |
| Word Mark | DELNOX |
| Filing Date | Friday, April 12, 2013 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Tuesday, July 29, 2025 |
| Registration Number | 4706168 |
| Registration Date | Tuesday, March 24, 2015 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, January 6, 2015 |
| Goods and Services | Nitrogen oxide reduction apparatus for purifying emission gas of internal combustion engines, not for land vehicles; Apparatus for reduction of nitrogen oxide from emission gas of internal combustion engines for marine purposes |
| Pseudo Mark | DEL NO X; DEL NITROGEN OXIDE |
| Goods and Services | Installation and repair of nitrogen oxide reduction apparatuses, Maintenance and repair of nitrogen oxide reduction apparatuses |
| Goods and Services | [ Nitrogen oxide reduction apparatus for purifying air for industrial purpose; Nitrogen oxide reduction apparatus for purifying water for industrial purpose; Apparatus for reduction of nitrogen oxide from emission gas of industrial facilities ] |
| 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 | Tuesday, February 11, 2014 |
| Primary Code | 007 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 011 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply, and sanitary purposes. |
| US Class Codes | 013, 021, 023, 024, 031, 034 |
| Class Status Code | B - Sec. 8 - Class(es) in a Multiple Class registration |
| Class Status Date | Saturday, July 24, 2021 |
| Primary Code | 011 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 037 - Building construction; repair; installation services. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, April 18, 2013 |
| Primary Code | 037 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | HANWHA ENGINE CO., LTD. |
| Party Type | 32 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | Gyeongsangnam-do 51561 KR |
| Party Name | HSD ENGINE CO., LTD. |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | CHANGWON-SI, GYEONGSANGNAM-DO 51561 KR |
| Party Name | Doosan Engine Co., Ltd. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Gyeongsanam-do KR |
| Party Name | Doosan Engine Co., Ltd. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Gyeongsanam-do KR |
| Party Name | Doosan Engine Co., Ltd. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Gyeongsanam-do KR |
| Event Date | Event Description |
| Thursday, January 30, 2014 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Wednesday, February 5, 2014 | ASSIGNED TO LIE |
| Tuesday, April 16, 2013 | NEW APPLICATION ENTERED |
| Thursday, April 18, 2013 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, April 19, 2013 | NOTICE OF PSEUDO MARK MAILED |
| Monday, July 29, 2013 | ASSIGNED TO EXAMINER |
| Tuesday, July 30, 2013 | NON-FINAL ACTION WRITTEN |
| Tuesday, July 30, 2013 | NON-FINAL ACTION MAILED |
| Tuesday, February 11, 2014 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, February 11, 2014 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Monday, September 15, 2014 | INQUIRY AS TO SUSPENSION MAILED |
| Wednesday, November 5, 2014 | TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED |
| Thursday, November 13, 2014 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, November 13, 2014 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Wednesday, November 26, 2014 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Thursday, February 27, 2014 | SUSPENSION LETTER WRITTEN |
| Friday, February 28, 2014 | LETTER OF SUSPENSION MAILED |
| Friday, August 29, 2014 | SUSPENSION CHECKED - TO ATTORNEY FOR ACTION |
| Sunday, September 14, 2014 | SUSPENSION INQUIRY WRITTEN |
| Wednesday, December 17, 2014 | NOTICE OF PUBLICATION |
| Tuesday, January 6, 2015 | PUBLISHED FOR OPPOSITION |
| Tuesday, March 24, 2015 | REGISTERED-PRINCIPAL REGISTER |
| Monday, March 22, 2021 | TEAS SECTION 8 & 15 RECEIVED |
| Friday, November 28, 2014 | LAW OFFICE PUBLICATION REVIEW COMPLETED |
| Wednesday, January 29, 2020 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Saturday, July 24, 2021 | REGISTERED - PARTIAL SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Saturday, July 24, 2021 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Saturday, July 24, 2021 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Sunday, March 24, 2024 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Wednesday, December 11, 2024 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Friday, March 7, 2025 | TEAS SECTION 8 & 9 RECEIVED |
| Tuesday, July 29, 2025 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Tuesday, July 29, 2025 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Tuesday, July 29, 2025 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Monday, July 28, 2025 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |