Liquid duct
Latest Tennant Company Patents:
Description
The broken lines of
Claims
The ornamental design for a liquid duct, as shown and described.
Referenced Cited
U.S. Patent Documents
D364222 | November 14, 1995 | Sohr |
D381750 | July 29, 1997 | Sasady |
D630756 | January 11, 2011 | Kitayama |
20140262759 | September 18, 2014 | Field et al. |
Patent History
Patent number: D733916
Type: Grant
Filed: Mar 15, 2013
Date of Patent: Jul 7, 2015
Assignee: Tennant Company (Minneapolis, MN)
Inventors: Bruce F. Field (Golden Valley, MN), Charles W. O'Neil (Edina, MN)
Primary Examiner: Wan Laymon
Application Number: 29/449,946
Type: Grant
Filed: Mar 15, 2013
Date of Patent: Jul 7, 2015
Assignee: Tennant Company (Minneapolis, MN)
Inventors: Bruce F. Field (Golden Valley, MN), Charles W. O'Neil (Edina, MN)
Primary Examiner: Wan Laymon
Application Number: 29/449,946
Classifications
Current U.S. Class:
Laboratory Equipment Not Elsewhere Specified (D24/232)