Patent
   D606437
Priority
Jul 22 2008
Filed
Jan 21 2009
Issued
Dec 22 2009
Expiry
Dec 22 2023
Assg.orig
Entity
unknown
3
9
n/a
The ornamental design for a sight glass applied in refrigeration system, substantially as shown and described.

FIG. 1 is a front view of a sight glass applied in refrigeration system comprising a new, original and ornamental design;

FIG. 2 is a left-hand side view of a sight glass applied in refrigeration system comprising the new, original and ornamental design, the right-hand side view being a mirror image thereof;

FIG. 3 is a top view of a sight glass applied in refrigeration system comprising the new, original and ornamental design;

FIG. 4 is a bottom view of a sight glass applied in refrigeration system comprising the new, original and ornamental design;

FIG. 5 is a perspective view of a sight glass applied in refrigeration system comprising the new, original and ornamental design; and,

FIG. 6 is a rear view of a sight glass applied in refrigeration system comprising the new, original and ornamental design.

Yan, Miao

Patent Priority Assignee Title
D671853, Sep 01 2011 PendoTECH Sensor fitting
D684076, Sep 01 2011 PendoTECH Sensor fitting
D710226, May 02 2013 PendoTECH Sensor fitting
Patent Priority Assignee Title
4064826, May 03 1976 Emerson Electric Co. Refrigerant liquid indicator
4888990, May 02 1988 GALA INDUSTRIES, INC. Sight glass apparatus
5383338, Dec 17 1993 Emerson Electric Co In-line sight indicator
6116274, Jun 10 1999 SEALED UNIT PARTS CO , INC Sight glass with check valve and filter
7540187, Jul 17 2006 Sight glass apparatus
D412454, Apr 16 1998 United Brass Works, Inc. Sight glass for sprinkler system lines
D495265, Feb 14 2003 DYMCO CO , LTD Lower body of float gauge head
D519867, May 30 2003 DYMCO CO , LTD Lower body of float guage head
EP866290,
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Jan 18 2009YAN, MIAODANFOSS TIANJIN LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0222950608 pdf
Jan 21 2009Danfoss Tianjin Ltd.(assignment on the face of the patent)
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