Apparatus for removing material such as concrete from underwater pipelines
Patent 4484559 Issued on November 27, 1984. Estimated Expiration Date: 
March 1, 2002. 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.
March 1, 2002. 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 1629696 3176550 Concrete removal tool Pile-cutting machine and method of cutting multi-sided piles Patent #: 4318391 InventorsAssigneeApplicationNo. 06/353749 filed on 03/01/1982US Classes:125/1, MISCELLANEOUS125/23.01, SPLITTING, SHEARING, AND PUNCHING29/426.4, By altering or destroying work part or connector83/875, Grooving83/924WORK WRAPPED OR COATED AROUND A CORE (NOT PART OF THE MACHINE)ExaminersPrimary: Whitehead, Harold D.Attorney, Agent or FirmInternational ClassesB08B 9/02 (20060101)B28D 1/20 (20060101) AbstractApparatus for removing covering material from underwater pipelines. A frame of the apparatus is clampingly engaged to the pipeline. A plurality of pipeline material cutters are cantileverly supported beyond the clamp to provide a plurality of cutting passes simultaneously and away from the points of attachment of the apparatus to a pipeline.Field of SearchMISCELLANEOUS | |
