Heat exchanger
Towiwat December 31, 2
U.S. patent number D696,756 [Application Number D/453,860] was granted by the patent office on 2013-12-31 for heat exchanger. The grantee listed for this patent is Dhiti Towiwat. Invention is credited to Dhiti Towiwat.
| United States Patent | D696,756 |
| Towiwat | December 31, 2013 |
Heat exchanger
Claims
CLAIM I claim the ornamental design for heat exchanger, as shown and described.
| Inventors: | Towiwat; Dhiti (Bangkok, TH) | ||||||||||
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| Applicant: |
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| Appl. No.: | D/453,860 | ||||||||||
| Filed: | May 3, 2013 |
| Current U.S. Class: | D23/323 |
| Current International Class: | 2303 |
| Field of Search: | ;D23/314,323,330,386,499 ;165/499,450,152,182,DIG.501,176,165 ;23/293R ;423/500,522,539,579,658.2 |
References Cited [Referenced By]
U.S. Patent Documents
| 3315739 | April 1967 | Kearney |
| 7168481 | January 2007 | Ishiyama et al. |
| 7981168 | July 2011 | Ishiyama et al. |
| D686710 | July 2013 | Towiwat |
| D686711 | July 2013 | Towiwat |
| D686712 | July 2013 | Towiwat |
| 2005/0056410 | March 2005 | Ishiyama et al. |
| 2007/0107888 | May 2007 | Ishiyama et al. |
| 2009/0025919 | January 2009 | Ishiyama et al. |
Assistant Examiner: Aman; Ania
Attorney, Agent or Firm: Cooper & Dunham LLP
Description
FIG. 1 is a front view of the heat exchanger of the claimed design.
FIG. 2 is a back view of the heat exchanger.
FIG. 3 is a left side view of the heat exchanger.
FIG. 4 is a right side view of the heat exchanger.
FIG. 5 is a top view of the heat exchanger.
FIG. 6 is a bottom view of the heat exchanger.
FIG. 7 is a front perspective view of the heat exchanger.
FIG. 8 is a back perspective view of the heat exchanger; and,
FIG. 9 is a cut-away perspective view of the heat exchanger.
The broken lines are included for the purpose of illustrating portions of the heat exchanger that form no part of the claimed design.
The product "heat exchanger" is positioned within a boiler or burner such that after heating, the heat storage can facilitate the transfer of heat to the boiler or burner in a delayed and uniform manner.
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