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Pursuant to 35 U.S.C. § 287(a), the below list serves as notice of various United States Patents and their foreign counterparts associated with the products listed below.  The patent numbers and products listed below are not all-inclusive, and other patents may protect the products listed below and other products by Fluidstance.  Additional US and foreign patents are pending.





The following trademarks are registered marks with the USPTO:

  • FLUIDSTANCE, U.S. Trademark No. 4,823,887 and 4,736,309, International Registration No.  WIPO 1 404 214
  • LEVEL, U.S. Trademark No. 4,845,624
  • FLUIDSTANCE LEVEL, U.S. Trademark No. 4,973,270 
  • PLANE, U.S. Trademark No. 5,196,975
  • SURF YOUR DESK, U.S. Trademark No. 5,307,138
  • GRADE, U.S. Trademark No. 5,341,536
  • UPMAT, U.S. Trademark No. 5,286,166
  • SIDECAR, U.S. Trademark No. 5,487,041
  • FILLUP, Trademark Pending
  • WATER TOWER, Trademark Pending


The following patents are registered:

  • U.S. Patent No. 10,159,372
  • U.S. Patent No. D740,381 S
  • U.S. Patent No. D750,183 S
  • U.S. Patent No. D776,769 S
  • U.S. Patent No. 9,457,226 B2
  • U.S. Patent No. D805,590 S
  • U.S. Patent No. 9,961,996
  • Australia, Patent No. 363890
  • China, Patent No. ZL 201530206491.0
  • China, Patent No. ZL 201730213809.7
  • E.U., Hague International Design Reg. No. DM/088 609
  • Canada, Patent No. 163,027
  • E.U. No. 004023455-0001
  • U.S. Patent Pending, 62/859817
  • U.S. Patent Pending, 29/692,345




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