| Serial Number | 71581208 |
| Word Mark | HI-SIL |
| Filing Date | Tuesday, June 28, 1949 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Thursday, March 31, 2022 |
| Registration Number | 0545141 |
| Registration Date | Tuesday, July 17, 1951 |
| Mark Drawing | 1 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | FINELY DIVIDED SILICA IN PIGMENTARY HYDRATED FORM FOR USE AS A REINFORCING AGENT IN THE MANUFACTURE OF PLASTICS, RUBBER GOODS, AND INSECTICIDES |
| 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 | 006 |
| First Use Anywhere Date | Monday, April 25, 1949 |
| First Use In Commerce Date | Monday, April 25, 1949 |
| Party Name | QEMETICA S.A. |
| Party Type | 44 - New Owner After Registration |
| Legal Entity Type | 11 - Company |
| Address | WARSAW 00-684 PL |
| Party Name | PPG INDUSTRIES OHIO, INC. |
| Party Type | 43 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | CLEVELAND, OH 44111 |
| Party Name | PPG INDUSTRIES, INC. |
| Party Type | 42 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | PITTSBURGH, PA 15272 |
| Party Name | PITTSBURGH PLATE GLASS COMPANY |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | PITTSBURGH, PA |
| Event Date | Event Description |
| Friday, July 12, 1991 | POST REGISTRATION ACTION MAILED - SEC. 9 |
| Saturday, July 17, 1971 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |
| Tuesday, June 11, 1991 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |
| Monday, July 9, 2001 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Wednesday, October 8, 2008 | CASE FILE IN TICRS |
| Wednesday, March 2, 2011 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Monday, August 5, 1991 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |
| Monday, August 5, 1991 | RESPONSE RECEIVED TO POST REG. ACTION |
| Wednesday, September 18, 1991 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Tuesday, October 30, 2001 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Tuesday, October 30, 2001 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) |
| Tuesday, February 17, 2009 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Tuesday, February 17, 2009 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Thursday, March 31, 2022 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Thursday, March 31, 2022 | REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS) |
| Friday, April 1, 2022 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Wednesday, September 3, 2025 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Thursday, March 31, 2022 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Monday, June 27, 2011 | TEAS SECTION 8 & 9 RECEIVED |
| Wednesday, June 29, 2011 | REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS) |
| Wednesday, June 29, 2011 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Friday, July 17, 2020 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Friday, December 3, 2021 | TEAS SECTION 8 & 9 RECEIVED |