KEYSTONE THERMAL Trademark
Trademark Overview
On Wednesday, September 10, 2025, a trademark application was filed for KEYSTONE THERMAL with the United States Patent and Trademark Office. The USPTO has given the KEYSTONE THERMAL trademark a serial number of 99386007. The federal status of this trademark filing is PUBLICATION/ISSUE REVIEW COMPLETE as of Tuesday, February 3, 2026. This trademark is owned by PENNTROLEUM LLC. The KEYSTONE THERMAL trademark is filed in the Chemical Products category with the following description:
heat transfer fluids for machinery and equipment
General Information
| Serial Number | 99386007 |
| Word Mark | KEYSTONE THERMAL |
| Filing Date | Wednesday, September 10, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Tuesday, February 3, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, February 24, 2026 |
Trademark Statements
| NOT AVAILABLE | "THERMAL" |
| Goods and Services | heat transfer fluids for machinery and equipment |
Classification Information
| 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 | Wednesday, September 10, 2025 |
| Primary Code | 001 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | PENNTROLEUM LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | PITTSBURGH, PA 15225 |
Trademark Events
| Event Date | Event Description |
| Wednesday, September 10, 2025 | NEW APPLICATION ENTERED |
| Wednesday, September 10, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Wednesday, September 10, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, January 22, 2026 | ASSIGNED TO EXAMINER |
| Thursday, January 29, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Thursday, January 29, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Thursday, January 29, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Thursday, January 29, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Thursday, January 29, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
