| Serial Number | 74466346 |
| Word Mark | DURATHERM |
| Filing Date | Friday, December 3, 1993 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Friday, October 16, 2015 |
| Registration Number | 1930599 |
| Registration Date | Tuesday, October 31, 1995 |
| Mark Drawing | 1 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, January 24, 1995 |
| Goods and Services | spirally wound membrane elements or cartridges for concentrating products and/or removing impurities in fluid treatment systems for high temperature feed application |
| International Class | 011 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply, and sanitary purposes. |
| US Class Codes | 031, 034 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, February 3, 1994 |
| Primary Code | 011 |
| First Use Anywhere Date | Thursday, September 30, 1993 |
| First Use In Commerce Date | Thursday, September 30, 1993 |
| Party Name | BL TECHNOLOGIES, INC. |
| Party Type | 33 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | MINNETONKA, MN 55343 |
| Party Name | SUEZ WTS SOLUTIONS USA, INC. |
| Party Type | 32 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | MINNETONKA, MN 553438990 |
| Party Name | GE OSMONICS, INC. |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | MINNETONKA, MN 55343 |
| Party Name | Desalination Systems, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | VISTA, CA 92083 |
| Party Name | Desalination Systems, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Escondido, CA 920251523 |
| Party Name | Desalination Systems, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Escondido, CA 920251523 |
| Event Date | Event Description |
| Wednesday, June 8, 1994 | ASSIGNED TO EXAMINER |
| Friday, July 13, 2001 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Friday, April 21, 2006 | TEAS SECTION 8 & 9 RECEIVED |
| Friday, April 21, 2006 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Wednesday, April 26, 2006 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Tuesday, June 28, 1994 | NON-FINAL ACTION MAILED |
| Tuesday, September 27, 1994 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Friday, December 23, 1994 | NOTICE OF PUBLICATION |
| Tuesday, January 24, 1995 | PUBLISHED FOR OPPOSITION |
| Tuesday, October 31, 1995 | REGISTERED-PRINCIPAL REGISTER |
| Friday, May 4, 2001 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Friday, October 16, 2015 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Thursday, July 13, 2006 | ASSIGNED TO PARALEGAL |
| Thursday, July 20, 2006 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Thursday, July 20, 2006 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Wednesday, June 13, 2007 | CASE FILE IN TICRS |
| Thursday, September 10, 2015 | TEAS SECTION 8 & 9 RECEIVED |
| Wednesday, October 14, 2015 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Friday, October 16, 2015 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Friday, October 16, 2015 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Wednesday, May 16, 2018 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Thursday, October 31, 2024 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Tuesday, September 23, 2025 | TEAS SECTION 8 & 9 RECEIVED |
| Wednesday, May 10, 2023 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Friday, July 6, 2018 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Friday, July 6, 2018 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |