| Serial Number | 72217709 |
| Word Mark | BIOCHEK |
| Filing Date | Friday, April 30, 1965 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Friday, July 15, 2016 |
| Registration Number | 0808741 |
| Registration Date | Tuesday, May 24, 1966 |
| Mark Drawing | 1 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | PAPER MILL BIOCIDES |
| Pseudo Mark | BIOCHECK |
| International Class | 001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry. |
| US Class Codes | 006 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, November 2, 1999 |
| Primary Code | 006 |
| First Use Anywhere Date | Friday, September 27, 1963 |
| First Use In Commerce Date | Friday, September 27, 1963 |
| Party Name | LANXESS CORPORATION |
| Party Type | 43 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | PITTSBURGH, PA 152751112 |
| Party Name | BAYER CHEMICALS CORPORATION |
| Party Type | 42 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | PITTSBURGH, PA 15205 |
| Party Name | MERCK & CO., INC. |
| Party Type | 41 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | RAHWAY, NJ 07056 |
| Party Name | CALGON CORPORATOIN |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | PITTSBURGH, PA |
| Event Date | Event Description |
| Wednesday, October 25, 2006 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Friday, November 29, 1985 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |
| Saturday, May 24, 1986 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |
| Tuesday, October 24, 2006 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Tuesday, October 24, 2006 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Wednesday, October 25, 2006 | TEAS SECTION 8 & 9 RECEIVED |
| Sunday, May 24, 2015 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Friday, July 15, 2016 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) |
| Tuesday, December 26, 2006 | ASSIGNED TO PARALEGAL |
| Saturday, January 20, 2007 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Saturday, January 20, 2007 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Friday, February 6, 2009 | CASE FILE IN TICRS |
| Monday, April 25, 2016 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Monday, April 25, 2016 | TEAS SECTION 8 & 9 RECEIVED |
| Friday, July 15, 2016 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Friday, July 15, 2016 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Saturday, May 24, 2025 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Friday, July 15, 2016 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |