Sight glass for refrigeration valve

- Danfoss A/S
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Description

FIG. 1 is a front, top perspective view of a sight glass for refrigeration valve comprising a new, original and ornamental design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front view, with the rear, right-hand side and left-hand side views being mirror images thereof; and,

FIG. 4 is a top view thereof.

Claims

The ornamental design for a sight glass for refrigeration valve, substantially as shown.

Referenced Cited
U.S. Patent Documents
4162826 July 31, 1979 Van der Beck
4584914 April 29, 1986 Hall
5125269 June 30, 1992 Horst, Jr.
5210658 May 11, 1993 Foster
5482358 January 9, 1996 Kuck
D606439 December 22, 2009 Yan
8316708 November 27, 2012 Horst
9175999 November 3, 2015 Paterek
Patent History
Patent number: D758228
Type: Grant
Filed: Jun 1, 2015
Date of Patent: Jun 7, 2016
Assignee: Danfoss A/S (Nordborg)
Inventors: Kurt Harck (Sonderborg), Sigurd Larsen (Flensburg)
Primary Examiner: Antoine D Davis
Application Number: 29/528,740