Heat exchanger tube

Description

FIG. 1 is a front, bottom and right side perspective view of a heat exchanger tube, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged vertical cross-sectional view thereof; taken along lines 8-8 of FIG. 2;

FIG. 9 is a front , bottom and right side perspective view of a heat exchanger tube, showing a second embodiment of our new design;

FIG. 10 is a front elevational view thereof;

FIG. 11 is rear elevational view thereof;

FIG. 12 is a left side elevational view thereof;

FIG. 13 is a right side elevational view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof;

FIG. 16 is an enlarged vertical cross-sectional view thereof; taken along lines 16-16 of FIG. 10;

FIG. 17 is a front , bottom and right side perspective view of a heat exchanger tube, showing a third embodiment of our new design;

FIG. 18 is a front elevational view thereof;

FIG. 19 is rear elevational view thereof;

FIG. 20 is a left side elevational view thereof;

FIG. 21 is a right side elevational view thereof;

FIG. 22 is a top plan view thereof;

FIG. 23 is a bottom plan view thereof; and,

FIG. 24 is an enlarged vertical cross-sectional view thereof; taken along lines 24-24 of FIG. 18.

Claims

CLAIM The ornamental design for a heat exchanger tube, as shown and described.

---

Inventors:	Hokazono; Keisuke (Chiyoda-Ku, JP), Miyake; Nobuaki (Chiyoda-Ku, JP), Suzuki; Wataru (Chiyoda-Ku, JP), Okazawa; Hiroki (Chiyoda-Ku, JP)
Applicant:	Name City State Country Type Hokazono; Keisuke Miyake; Nobuaki Suzuki; Wataru Okazawa; Hiroki Chiyoda-Ku Chiyoda-Ku Chiyoda-Ku Chiyoda-Ku N/A N/A N/A N/A JP JP JP JP
Assignee:	Mitsubishi Electric Corporation (Tokyo, JP)
Appl. No.:	D/444,574
Filed:	January 31, 2013

---

Foreign Application Priority Data

---

Aug 2, 2012 [JP]			2012-018449
Aug 2, 2012 [JP]			2012-018450
Aug 2, 2012 [JP]			2012-018451
Aug 2, 2012 [JP]			2012-018452
Aug 2, 2012 [JP]			2012-018453
Aug 2, 2012 [JP]			2012-018454

Current U.S. Class:	D23/323
Current International Class:	2303
Field of Search:	;D23/314,323,330,386,499 ;165/181,121,166,167,170,150,151,182,172

---

References Cited [Referenced By]

---

U.S. Patent Documents

2151540	March 1939	Varga
4446915	May 1984	Welch et al.
5052479	October 1991	Nakajima et al.
5476141	December 1995	Tanaka
6000467	December 1999	Tokizaki et al.
6575232	June 2003	Nakado et al.
6594897	July 2003	Kim et al.
2002/0195240	December 2002	Kraay et al.
2003/0010485	January 2003	Goldman et al.
2006/0118288	June 2006	Oh
2007/0071920	March 2007	Muto et al.
2007/0227713	October 2007	Bugler et al.
2007/0277964	December 2007	Higashiyama et al.
2008/0029243	February 2008	O'Donnell et al.
2009/0260793	October 2009	Wang et al.
2010/0025029	February 2010	Ploppa et al.
2010/0116472	May 2010	Katsumata et al.
2011/0005732	January 2011	Seto
2011/0094258	April 2011	Lee et al.
2012/0267088	October 2012	Lange et al.
2013/0068437	March 2013	Matsumoto et al.
2014/0116662	May 2014	Takamatsu et al.
2014/0196872	July 2014	Anwar
2015/0027677	January 2015	Taras et al.

Primary Examiner: Nelson; T. Chase
Assistant Examiner: Aman; Ania
Attorney, Agent or Firm: Sughrue Mion, PLLC