| Serial Number | 78041490 |
| Word Mark | OPTISEAL |
| Filing Date | Wednesday, January 3, 2001 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Monday, March 14, 2022 |
| Registration Number | 2507256 |
| Registration Date | Tuesday, November 13, 2001 |
| Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, August 21, 2001 |
| Goods and Services | Filter cartridge for the removal of particulates, bacteria, colloids and microorganisms from gases and liquids for industrial, laboratory and medical use |
| International Class | 011 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply, and sanitary purposes. |
| US Class Codes | 013, 021, 023, 031, 034 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, January 17, 2001 |
| Primary Code | 011 |
| First Use Anywhere Date | Thursday, May 31, 1990 |
| First Use In Commerce Date | Thursday, May 31, 1990 |
| Party Name | MERCK KGAA |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 99 - Other |
| Address | DARMSTADT 64293 DE |
| Party Name | Millipore Corporation |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Billerica, MA 01821 |
| Party Name | Millipore Corporation |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Bedford, MA 01730 |
| Party Name | Millipore Corporation |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Bedford, MA 01730 |
| Event Date | Event Description |
| Monday, March 14, 2022 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Monday, March 14, 2022 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Monday, March 14, 2022 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Monday, March 14, 2022 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Thursday, October 28, 2021 | TEAS SECTION 8 & 9 RECEIVED |
| Friday, November 13, 2020 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Friday, January 6, 2012 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Friday, January 6, 2012 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Wednesday, January 4, 2012 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Saturday, November 19, 2011 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Saturday, November 19, 2011 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Friday, November 11, 2011 | TEAS SECTION 8 & 9 RECEIVED |
| Friday, January 18, 2008 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Monday, January 7, 2008 | ASSIGNED TO PARALEGAL |
| Thursday, January 3, 2008 | TEAS SECTION 8 & 15 RECEIVED |
| Friday, January 12, 2007 | CASE FILE IN TICRS |
| Tuesday, November 13, 2001 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, August 21, 2001 | PUBLISHED FOR OPPOSITION |
| Wednesday, August 1, 2001 | NOTICE OF PUBLICATION |
| Thursday, May 24, 2001 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Thursday, May 24, 2001 | ASSIGNED TO EXAMINER |
| Thursday, May 24, 2001 | ASSIGNED TO EXAMINER |