| Serial Number | 73007634 |
| Word Mark | LK |
| Filing Date | Friday, November 30, 1973 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Saturday, November 1, 2025 |
| Registration Number | 1016214 |
| Registration Date | Tuesday, July 22, 1975 |
| Mark Drawing | 1 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | CHEMICAL SURFACTANTS FOR INCORPORATION IN PRECURSORS FOR FOAMED PLASTICS |
| 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, March 1, 1983 |
| Primary Code | 001 |
| First Use Anywhere Date | Sunday, October 10, 1971 |
| First Use In Commerce Date | Sunday, October 10, 1971 |
| Party Name | EVONIK OPERATIONS GMBH |
| Party Type | 32 - New Owner After Registration |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | ESSEN 45128 DE |
| Party Name | EVONIK DEGUSSA GMBH |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 27 - NOT AVAILABLE |
| Address | ESSEN 45128 DE |
| Party Name | AIR PRODUCTS AND CHEMICALS, INC. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | ALLENTOWN, PA 181951501 |
| Event Date | Event Description |
| Wednesday, May 13, 1981 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Tuesday, March 7, 1995 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |
| Wednesday, May 3, 1995 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Thursday, March 10, 2005 | TEAS SECTION 8 & 9 RECEIVED |
| Thursday, March 10, 2005 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Friday, April 29, 2005 | ASSIGNED TO PARALEGAL |
| Friday, April 29, 2005 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Friday, April 29, 2005 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Thursday, June 18, 2015 | TEAS SECTION 8 & 9 RECEIVED |
| Saturday, July 11, 2015 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Saturday, July 11, 2015 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Saturday, July 11, 2015 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) |
| Sunday, July 12, 2015 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Wednesday, September 19, 2018 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Thursday, June 18, 2020 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Monday, July 22, 2024 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Tuesday, July 15, 2025 | TEAS SECTION 8 & 9 RECEIVED |
| Saturday, November 1, 2025 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Saturday, November 1, 2025 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Saturday, November 1, 2025 | REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS) |
| Saturday, November 1, 2025 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |