| Serial Number | 73613350 |
| Word Mark | HSC HEMLOCK SEMICONDUCTOR CORPORATION |
| Filing Date | Wednesday, August 6, 1986 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Wednesday, January 3, 2018 |
| Registration Number | 1467824 |
| Registration Date | Tuesday, December 8, 1987 |
| Mark Drawing | 5 - Drawing with word(s) / letter(s) / number(s) in Stylized form |
| Published for Opposition Date | Tuesday, September 15, 1987 |
| Goods and Services | POLYCRYSTALLINE SILICON AND SILICON SOURCE CHEMICALS USED IN MANUFACTURING SEMICONDUCTOR DEVICES SUCH AS TRANSISTORS, RECTIFIERS, INTEGRATED CIRCUITS AND OTHER ELECTRONIC DEVICES |
| NOT AVAILABLE | "SEMICONDUCTOR CORPORATION" |
| 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 | Wednesday, September 17, 1986 |
| Primary Code | 001 |
| First Use Anywhere Date | Sunday, December 31, 1978 |
| First Use In Commerce Date | Sunday, December 31, 1978 |
| Party Name | HEMLOCK SEMICONDUCTOR OPERATIONS LLC |
| Party Type | 33 - New Owner After Registration |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | HEMLOCK, MI 48626 |
| Party Name | DDP SPECIALTY ELECTRONIC MATERIALS US 9, LLC |
| Party Type | 32 - New Owner After Registration |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | WILMINGTON,, DE 19805 |
| Party Name | DOW SILICONES CORPORATION |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | MIDLAND, MI 48640 |
| Party Name | DOW CORNING CORPORATION |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | MIDLAND, MI 48640 |
| Party Name | DOW CORNING CORPORATION |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | MIDLAND, MI 48640 |
| Party Name | DOW CORNING CORPORATION |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | MIDLAND, MI 48640 |
| Event Date | Event Description |
| Tuesday, November 4, 1986 | ASSIGNED TO EXAMINER |
| Wednesday, December 17, 1986 | NON-FINAL ACTION MAILED |
| Monday, June 8, 1987 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, July 30, 1987 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Friday, August 14, 1987 | NOTICE OF PUBLICATION |
| Tuesday, September 15, 1987 | PUBLISHED FOR OPPOSITION |
| Tuesday, December 8, 1987 | REGISTERED-PRINCIPAL REGISTER |
| Wednesday, August 11, 1993 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Wednesday, May 2, 2007 | CASE FILE IN TICRS |
| Monday, June 2, 2008 | TEAS SECTION 8 & 9 RECEIVED |
| Tuesday, June 17, 2008 | ASSIGNED TO PARALEGAL |
| Saturday, June 21, 2008 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Monday, May 3, 1993 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Saturday, June 21, 2008 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Wednesday, January 3, 2018 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Thursday, June 20, 2024 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, May 25, 2022 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Tuesday, December 5, 2017 | TEAS SECTION 8 & 9 RECEIVED |
| Wednesday, January 3, 2018 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Wednesday, January 3, 2018 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Wednesday, January 3, 2018 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Wednesday, April 20, 2022 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |