| Serial Number | 88059045 |
| Word Mark | ELF |
| Filing Date | Tuesday, July 31, 2018 |
| Status | 710 - CANCELLED - SECTION 8 |
| Status Date | Friday, November 28, 2025 |
| Registration Number | 5749155 |
| Registration Date | Tuesday, May 14, 2019 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, February 26, 2019 |
| Goods and Services | Backfill material, namely, soil conditioning preparations containing electrolytes that improve the efficiency of electrodes in grounding systems |
| Pseudo Mark | ELECTROLYTE FILL |
| 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 | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Friday, November 28, 2025 |
| Primary Code | 001 |
| First Use Anywhere Date | Monday, September 25, 1989 |
| First Use In Commerce Date | Friday, April 20, 1990 |
| Party Name | Electronics Research, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Chandler, IN 47610 |
| Party Name | Electronics Research, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Chandler, IN 47610 |
| Party Name | Electronics Research, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Chandler, IN 47610 |
| Event Date | Event Description |
| Friday, August 3, 2018 | NEW APPLICATION ENTERED |
| Monday, August 6, 2018 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, September 13, 2018 | ASSIGNED TO EXAMINER |
| Saturday, September 22, 2018 | PRIORITY ACTION WRITTEN |
| Saturday, September 22, 2018 | PRIORITY ACTION E-MAILED |
| Saturday, September 22, 2018 | NOTIFICATION OF PRIORITY ACTION E-MAILED |
| Monday, October 22, 2018 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Monday, October 22, 2018 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, October 22, 2018 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Tuesday, October 23, 2018 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Tuesday, October 23, 2018 | PREVIOUS ALLOWANCE COUNT WITHDRAWN |
| Thursday, January 3, 2019 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Friday, January 18, 2019 | ASSIGNED TO LIE |
| Wednesday, January 23, 2019 | LAW OFFICE PUBLICATION REVIEW COMPLETED |
| Wednesday, February 6, 2019 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, February 26, 2019 | PUBLISHED FOR OPPOSITION |
| Tuesday, February 26, 2019 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, May 14, 2019 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, May 14, 2024 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Friday, November 28, 2025 | CANCELLED SEC. 8 (6-YR) |