Preventing marine fouling
Patent 4170185 Issued on October 9, 1979. Estimated Expiration Date: 
January 9, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 9, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2435986 3792204 3832580 InventorsApplicationNo. 05/867676 filed on 01/09/1978US Classes:114/222, Hull cleaning114/67R, Antifriction surfaces310/337, Underwater type367/164Single element having a plurality of electrodesExaminersPrimary: Sotelo, Jesus D.International ClassesH04R 17/00 (20060101)B06B 1/06 (20060101) B63B 59/00 (20060101) B63B 59/04 (20060101) AbstractAn effective antifouling result with respect to marine creatures such as barnacles is achieved by energizing a piezofilm layer carried on the outside of a vessel to cause mechanical vibration of the layer.Other References
Field of SearchHull cleaning | |
