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Updated Oct 14, 2026·26 searches this week
CST
Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.
C/STOL (Serial No. 72311684), Registration No. 881171, is a abandoned US trademark by HELIO AIRCRAFT CORPORATION. This trademark covers Class 019 (Non-metallic building materials).
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Other Marks by HELIO AIRCRAFT CORPORATION
Additional USPTO filings from the same owner.
Other Marks in Class 019 — Non-metallic building materials
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