Cofferdams

- MUHLBAUER TECHNOLOGY GMBH
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Description

FIG.1.1 is a front perspective view of a cofferdams showing my new design; and,

FIG. 1.2 is a top view thereof.

The broken lines showing of portions of the cofferdams form no part of the claimed design.

Claims

The ornamental design for a cofferdams, as shown and described.

Referenced Cited
U.S. Patent Documents
D317250 June 4, 1991 Shook
D320027 September 17, 1991 Mintz
D631734 February 1, 2011 Fernandez
8167515 May 1, 2012 Hermes
D758834 June 14, 2016 Tally
9388561 July 12, 2016 Johnson
D767796 September 27, 2016 Kinsman
9506213 November 29, 2016 Tsimmerman
Patent History
Patent number: D793213
Type: Grant
Filed: Jul 20, 2015
Date of Patent: Aug 1, 2017
Assignee: MUHLBAUER TECHNOLOGY GMBH (Hamburg)
Inventor: Rudolf Heymann (Geestacht)
Primary Examiner: George D Kirschbaum
Application Number: 35/500,508
Classifications
Current U.S. Class: D8/380