KEYSTONE WINDOW
● Live · PendingU.S. federal trademark · Serial No. 99647347
Filing Date
February 11, 2026
Goods & Services
Window sash replacement systems comprised of non-metal window sashes and jamb liners
Thinking of using a similar name?
Search 14 million+ trademarks free and see if your brand conflicts with "KEYSTONE WINDOW" or anything like it, before you file.
Run a free trademark search →Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.