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C. G. Doris

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Records under this name other than patents C. G. Doris holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 6 of 6 · Back to C. G. Doris

PatentTitleStatus Expires Confidence
US 3,938,343Platform structure for maritime installation
Term ended
Term ended no later than Feb 17, 1996 · Low confidence
Term endedTerm ended no later than Feb 17, 1996Low confidence
US 3,965,688Underwater structures, in particular for underwater drilling operations
Term ended
Term ended no later than Jun 29, 1996 · Low confidence
Term endedTerm ended no later than Jun 29, 1996Low confidence
US 4,009,584Method of and a device for forming a fluidtight duct transition through a wall
Term ended
Term ended no later than Mar 1, 1997 · Low confidence
Term endedTerm ended no later than Mar 1, 1997Low confidence
US 4,011,729Device for laying submarine pipelines
Term ended
Term ended no later than Mar 15, 1997 · Low confidence
Term endedTerm ended no later than Mar 15, 1997Low confidence
US 4,019,332Devices for protecting the bases of structures immersed in a volume of water against undermining
Term ended
Term ended no later than Apr 26, 1997 · Low confidence
Term endedTerm ended no later than Apr 26, 1997Low confidence
US 4,051,686Platforms resting upon the bed of a body of water
Term ended
Term ended no later than Oct 4, 1997 · Low confidence
Term endedTerm ended no later than Oct 4, 1997Low confidence
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