Trademark Overview
On Friday, August 29, 2025, a trademark application was filed for ISTRA with the United States Patent and Trademark Office. The USPTO has given the ISTRA trademark a serial number of 79433739. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Thursday, October 2, 2025. This trademark is owned by Calucem D.O.O.. The ISTRA trademark is filed in the Chemical Products and Non-Metallic Building Material Products categories with the following description:
Adhesive mortar for construction purposes; aluminous cement; materials and elements for construction and building, not of metal; cement; cement mixtures; concrete; fireproof cement coatings; floors, not of metal; hydraulic cement; mortar; fire burrs; non-metallic moldable refractory compounds; refractory cements; refractory mortar.
Chemical additives for cement; chemical compositions for use in the construction industry; chemical additives for use with concrete; chemical additives for mortars; binding substances for industrial use; chemical additives for plaster; calcium aluminate; calcium silicate; cement setting accelerators; chemical products for use in manufacturing binders; chemical products for industrial use; compounds for accelerating concrete setting; hardeners for concrete; fireproof products.