Boiler exterior case
Description
Claims
The ornamental design for a boiler exterior case, as shown and described.
Referenced Cited
U.S. Patent Documents
| D483844 | December 16, 2003 | Yamamoto et al. |
| D532498 | November 21, 2006 | Maegawa et al. |
| D533928 | December 19, 2006 | Maegawa et al. |
| D616535 | May 25, 2010 | Lee |
| D616536 | May 25, 2010 | Lee |
| D662195 | June 19, 2012 | Watanabe et al. |
| 20070126320 | June 7, 2007 | Huang |
| 20070205292 | September 6, 2007 | Kwak |
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Patent History
Patent number: D687134
Type: Grant
Filed: Sep 26, 2012
Date of Patent: Jul 30, 2013
Assignee: Kyungdong Navien Co., Ltd. (Pyeongtaek-Si)
Inventor: Chi-Young Lee (Seoul)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/421,796
Type: Grant
Filed: Sep 26, 2012
Date of Patent: Jul 30, 2013
Assignee: Kyungdong Navien Co., Ltd. (Pyeongtaek-Si)
Inventor: Chi-Young Lee (Seoul)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/421,796
Classifications
Current U.S. Class:
With Door Or Access Panel (D23/320)