| Serial Number | 75354629 |
| Word Mark | HDA |
| Filing Date | Wednesday, September 10, 1997 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Tuesday, December 18, 2018 |
| Registration Number | 2195771 |
| Registration Date | Tuesday, October 13, 1998 |
| Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, July 21, 1998 |
| Goods and Services | chemical compositions for removal of photoresist and post etch residues in the manufacture of semiconductors and related products |
| 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, September 30, 1997 |
| Primary Code | 001 |
| First Use Anywhere Date | Tuesday, July 11, 1995 |
| First Use In Commerce Date | Tuesday, July 11, 1995 |
| Party Name | DUPONT ELECTRONICS, INC. |
| Party Type | 32 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | WILMINGTON, DE 19805 |
| Party Name | E. I. DU PONT DE NEMOURS AND COMPANY |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | WILMINGTON, DE 19805 |
| Party Name | EKC Technology, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Hayward, CA 94545 |
| Party Name | EKC Technology, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Hayward, CA 94545 |
| Party Name | EKC Technology, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Hayward, CA 94545 |
| Event Date | Event Description |
| Wednesday, July 3, 2019 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Tuesday, December 18, 2018 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Tuesday, December 18, 2018 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Tuesday, December 18, 2018 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Wednesday, December 12, 2018 | TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED |
| Wednesday, November 14, 2018 | POST REGISTRATION ACTION MAILED - SEC. 8 & 9 |
| Thursday, October 25, 2018 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Monday, October 15, 2018 | TEAS SECTION 8 & 9 RECEIVED |
| Monday, October 15, 2018 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Friday, October 13, 2017 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Tuesday, December 23, 2008 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Tuesday, December 23, 2008 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Wednesday, November 26, 2008 | ASSIGNED TO PARALEGAL |
| Tuesday, November 18, 2008 | TEAS SECTION 8 & 9 RECEIVED |
| Friday, July 27, 2007 | CASE FILE IN TICRS |
| Tuesday, September 27, 2005 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Tuesday, January 18, 2005 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Friday, September 24, 2004 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Friday, September 24, 2004 | TEAS SECTION 8 & 15 RECEIVED |
| Tuesday, October 13, 1998 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, July 21, 1998 | PUBLISHED FOR OPPOSITION |
| Friday, June 19, 1998 | NOTICE OF PUBLICATION |
| Saturday, May 9, 1998 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, April 22, 1998 | ASSIGNED TO EXAMINER |