U.S. federal trademark · Serial No. 87531921 · Reg. No. 5558653
Non-flammable blast hole bags consisting of an inner bladder containing an aluminum canister filled with gas, a secondary cover and an outer sleeve all made of polythene/plastic for decking and sealing drill holes
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.