| Serial Number | 75781570 |
| Word Mark | MESOELK |
| Filing Date | Monday, August 23, 1999 |
| Status | 606 - ABANDONED - NO STATEMENT OF USE FILED |
| Status Date | Friday, December 1, 2000 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, March 7, 2000 |
| Goods and Services | Porous silicon dioxide for use in fabricating semiconductor devices in the electronics industry |
| Pseudo Mark | MESO ELK |
| 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 | 001, 005, 006, 010, 026, 046 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, November 9, 1999 |
| Primary Code | 001 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | VERSUM MATERIALS US, LLC |
| Party Type | 21 - New Owner After Publication |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | TEMPE, AZ 85284 |
| Party Name | Air Products and Chemicals, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Allentown, PA 181951501 |
| Party Name | Air Products and Chemicals, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Allentown, PA 181951501 |
| Event Date | Event Description |
| Wednesday, March 22, 2017 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Sunday, April 1, 2001 | ABANDONMENT - NO USE STATEMENT FILED |
| Tuesday, May 30, 2000 | NOA MAILED - SOU REQUIRED FROM APPLICANT |
| Tuesday, March 7, 2000 | PUBLISHED FOR OPPOSITION |
| Friday, February 4, 2000 | NOTICE OF PUBLICATION |
| Monday, December 6, 1999 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Thursday, December 2, 1999 | ASSIGNED TO EXAMINER |