KEYSTONE WINDOW Trademark
Trademark Overview
On Wednesday, February 11, 2026, a trademark application was filed for KEYSTONE WINDOW with the United States Patent and Trademark Office. The USPTO has given the KEYSTONE WINDOW trademark a serial number of 99647347. The federal status of this trademark filing is NON-FINAL ACTION - MAILED as of Monday, June 8, 2026. This trademark is owned by BSC Business Enterprises, LLC. The KEYSTONE WINDOW trademark is filed in the Non-Metallic Building Material Products category with the following description:
Window sash replacement systems comprised of non-metal window sashes and jamb liners
General Information
| Serial Number | 99647347 |
| Word Mark | KEYSTONE WINDOW |
| Filing Date | Wednesday, February 11, 2026 |
| Status | 641 - NON-FINAL ACTION - MAILED |
| Status Date | Monday, June 8, 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 | NOT AVAILABLE |
Trademark Statements
| Goods and Services | Window sash replacement systems comprised of non-metal window sashes and jamb liners |
Classification Information
| International Class | 019 - Building materials (non-metallic); nonmetallic rigid pipes for building; asphalt, pitch and bitumen; nonmetallic transportable buildings; monuments, not of metal. |
| US Class Codes | 001, 012, 033, 050 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, February 11, 2026 |
| Primary Code | 019 |
| First Use Anywhere Date | Tuesday, January 20, 2026 |
| First Use In Commerce Date | Tuesday, January 20, 2026 |
Trademark Owner History
| Party Name | BSC Business Enterprises, LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Reading, PA 19606
US |
Trademark Events
| Event Date | Event Description |
| Wednesday, February 11, 2026 | NEW APPLICATION ENTERED |
| Wednesday, February 11, 2026 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, February 11, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, June 5, 2026 | ASSIGNED TO EXAMINER |
| Monday, June 8, 2026 | NON-FINAL ACTION WRITTEN |
| Monday, June 8, 2026 | NON-FINAL ACTION E-MAILED |
| Monday, June 8, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
