Tetrahedral turbine block
Description
The shading shown is indicative of surface contour and not surface ornamentation.
Claims
The ornamental design for a tetrahedral turbine block, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D763970
Type: Grant
Filed: May 29, 2014
Date of Patent: Aug 16, 2016
Inventor: T. Dashon Howard (Plymouth Meeting, PA)
Primary Examiner: Cynthia M Chin
Application Number: 29/492,264
Type: Grant
Filed: May 29, 2014
Date of Patent: Aug 16, 2016
Inventor: T. Dashon Howard (Plymouth Meeting, PA)
Primary Examiner: Cynthia M Chin
Application Number: 29/492,264
Classifications
Current U.S. Class:
Curved Or Folded (D21/492)