Heat exchanger tube
Tamura , et al. January 17, 2
Patent Grant D776801
U.S. patent number D776,801 [Application Number D/513,046] was granted by the patent office on 2017-01-17 for heat exchanger tube. This patent grant is currently assigned to Kobe Steel, Ltd. The grantee listed for this patent is KOBE STEEL, LTD.. Invention is credited to Yasuyuki Fujii, Yoshio Itsumi, Hideto Oyama, Keitaro Tamura.
| United States Patent | D776,801 |
| Tamura , et al. | January 17, 2017 |
Heat exchanger tube
Claims
CLAIM The ornamental design for a heat exchanger tube, as shown and described.
| Inventors: | Tamura; Keitaro (Hyogo, JP), Fujii; Yasuyuki (Hyogo, JP), Itsumi; Yoshio (Hyogo, JP), Oyama; Hideto (Hyogo, JP) | ||||||||||
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| Applicant: |
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| Assignee: | Kobe Steel, Ltd (Kobe-shi,
JP) |
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| Appl. No.: | D/513,046 | ||||||||||
| Filed: | December 24, 2014 |
Foreign Application Priority Data
| Jun 24, 2014 [JP] | 2014-013719 | |||
| Jun 24, 2014 [JP] | 2014-013720 | |||
| Current U.S. Class: | D23/386; D23/330 |
| Current International Class: | 2303 |
| Field of Search: | ;D14/356 ;D10/93,104.1,108,114 ;D8/4,25,52 ;D17/20,22,23 ;D23/323,328,333,335,336,337,341,352,357,370,385,386,397,399,400,406,411,413,499,330 ;D11/143,144 ;D13/182 |
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Other References
|
Heat Exchanger Tube for Outdoor Barbecue Grills & Smokers, image post date Nov. 14, 2014, site visited Apr. 21, 2016, (online), <http://outdoorigrill.com/nexgrill-outdoor-patio-heater/>. cited by examiner . Stainless steel tube sheet and flange, image post date 2007, site visited May 2, 2016, (online), <https://www.alibaba.com/product-detail/Stainless-steel-tube-sheet-and- -flange.sub.--1205882910.html>. cited by examiner . Enhanced surface tubes, image post date Apr. 7, 2015, site visited May 2, 2016, (online), <http://web.archive.org/web/20150407013313/http://www.wieland-thermals- olutions.com/internet/en/products/finned.sub.--tubes/hochleistungsrohre/Ho- chleistungsrohre.jsp>. cited by examiner . Heat Exchanger Products, image post date Sep. 28, 2014, site visited May 2, 2016, (online), <http://web.archive.org/web/20140928145808/http://www.indiamart.com/ma- rco-blowers-india/heat-exchanger- products.html>. cited by examiner. |
Primary Examiner: Rudzinski; Kevin
Assistant Examiner: Lough; Sean D
Attorney, Agent or Firm: Oblon, McClelland, Maier & Neustadt, L.L.P.
Description
FIG. 1 is a front view of a heat exchanger tube showing a first embodiment of our new design, the opposite side being an identical image of the side shown herein;
FIG. 2 is a left side view thereof, the opposite side being an identical image of the side shown herein;
FIG. 3 is a top view thereof, the opposite side being an identical image of the side shown herein;
FIG. 4 is an enlarged view of part 4-4 in FIG. 1 thereof;
FIG. 5 is a cross-sectional view taken along line 5-5 in FIG. 1;
FIG. 6 is an enlarged view of part 6-6 in FIG. 5 thereof;
FIG. 7 is a front view of a heat exchanger tube showing a second embodiment of our new design, the opposite side being an identical image of the side shown herein;
FIG. 8 is a left side view thereof, the opposite side being an identical image of the side shown herein;
FIG. 9 is a top view thereof, the opposite side being an identical image of the side shown herein;
FIG. 10 is an enlarged view of part 10-10 in FIG. 7 thereof;
FIG. 11 is a cross-sectional view taken along line 11-11 in FIG. 7; and,
FIG. 12 is an enlarged view of part 12-12 in FIG. 11 thereof.
The broken lines wherever present in the drawing disclosure illustrate portions of the heat exchanger tube that form no part of the claimed design or represent numbered section lines that form no part of the claimed design.
No claim is made to portions of the heat exchanger tube beyond the broken line boundaries of the left and right ends of the claimed design. Any portions of the design not shown form no part of the claimed design.
* * * * *
References
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