Sight glass applied in refrigeration system

Description

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 rear view of a sight glass applied in refrigeration system comprising the new, original and ornamental design;

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

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

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

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

FIG. 7 is a perspective view of a sight glass applied in refrigeration system comprising the new, original and ornamental design.

Claims

CLAIM The ornamental design for a sight glass applied in refrigeration system, substantially as shown and described.

---

Inventors:	Yan; Miao (Tianjin, CN)
Assignee:	Danfoss Tianjin Ltd. (Tianjin, CN)
Appl. No.:	D/331,155
Filed:	January 21, 2009

---

Foreign Application Priority Data

---

Jul 22, 2008 [CN]			2008 3 0129433

Current U.S. Class:	D10/101; D10/102
Current International Class:	1004
Field of Search:	;D10/46,101-102 ;73/323,325,326,327,334 ;116/274 ;137/359,528,550 ;220/663,614

---

References Cited [Referenced By]

---

U.S. Patent Documents

4064826	December 1977	Pauli
4888990	December 1989	Bryan et al.
5383338	January 1995	Bowsky et al.
D412454	August 1999	Berkelhammer
6116274	September 2000	Ehrlich
D495265	August 2004	Kim
D519867	May 2006	Kim
7540187	June 2009	Dillon

Foreign Patent Documents

	0866290		May 2003		EP

Primary Examiner: Davis; Antoine D
Attorney, Agent or Firm: McCormick, Paulding & Huber LLP