Dry type economizer

- Shun-Fu Technology Corp.
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Description

FIG. 1 is a perspective view of a dry type economizer showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for a dry type economizer, as shown and described.

Referenced Cited
U.S. Patent Documents
2236470 March 1941 De Jonge
D195975 August 1963 Bianco et al.
3384165 May 1968 Mathews
3507318 April 1970 Tuwiner
3537935 November 1970 Withers
3616849 November 1971 Dijt
4284132 August 18, 1981 Strand, Sr.
6854278 February 15, 2005 Maisotsenko et al.
D595226 June 30, 2009 Jidaisho
D649234 November 22, 2011 Iovanel
20030141046 July 31, 2003 Ikeda et al.
Patent History
Patent number: D712021
Type: Grant
Filed: Sep 25, 2013
Date of Patent: Aug 26, 2014
Assignee: Shun-Fu Technology Corp. (Taipei)
Inventors: Ming-Shun You (Taipei), Huan-Yu Chou (Taipei)
Primary Examiner: Caron D Veynar
Assistant Examiner: Natasha Vujcic
Application Number: 29/468,018
Classifications