U.S. federal trademark · Serial No. 76167596 · Reg. No. 2502066
Disposable paper vacuum cleaner pre-filter unit in a conical configuration to fit a home or commercial canister or central vacuum cleaner for removing large airborne particles from an air stream sucked into the vacuum cleaner, the unit being packaged for sale to the public only by the manufacturer, or authorized reseller, of the vacuum cleaner
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.