U.S. federal trademark · Serial No. 74628846
anti-lock device, in the nature of a casing with an elastic partition dividing the casing into two chambers, which attaches to the oil tube of hydraulic brakes for land vehicles and prevents the locking of such brakes by expanding with a rise in oil pressure
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.