Air heater

- Leister Technologies AG
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front view showing the ornamental design of a first embodiment of an air heater according to the present invention;

FIG. 2 is a top view of the air heater of FIG. 1;

FIG. 3 is a bottom view of the air heater of FIG. 1;

FIG. 4 is a back view of the air heater of FIG. 1;

FIG. 5 is a perspective view of the air heater of FIG. 1;

FIG. 6 is a reverse perspective view of the air heater of FIG. 1;

FIG. 7 is a front view showing the ornamental design of a second embodiment of an air heater according to the present invention;

FIG. 8 is a top view of the air heater of FIG. 7;

FIG. 9 is a bottom view of the air heater of FIG. 7;

FIG. 10 is a back view of the air heater of FIG. 7;

FIG. 11 is a perspective view of the air heater of FIG. 7;

FIG. 12 is a reverse perspective view of the air heater of FIG. 7;

FIG. 13 is a front view showing the ornamental design of a third embodiment of an air heater according to the present invention;

FIG. 14 is a top view of the air heater of FIG. 13;

FIG. 15 is a bottom view of the air heater of FIG. 13;

FIG. 16 is a back view of the air heater of FIG. 13;

FIG. 17 is a perspective view of the air heater of FIG. 13; and,

FIG. 18 is a reverse perspective view of the air heater of FIG. 13.

Claims

We claim, the ornamental design for an air heater, as shown.

Referenced Cited
U.S. Patent Documents
D105999 September 1937 Morgan
D130843 December 1941 Hagan
D165307 November 1951 Sharp
D202009 August 1965 Schofield et al.
4532914 August 6, 1985 Thomas et al.
5111527 May 5, 1992 Arold et al.
D340765 October 26, 1993 Joss et al.
D341417 November 16, 1993 Wortham
D347683 June 7, 1994 Chiu et al.
D421296 February 29, 2000 Kemp
6152128 November 28, 2000 Willey et al.
D447795 September 11, 2001 Hudson
6880549 April 19, 2005 Topp
7123822 October 17, 2006 Gisler-Reinhard et al.
D541916 May 1, 2007 Noyer et al.
D573703 July 22, 2008 Gosselin et al.
D598526 August 18, 2009 Pitchford et al.
D604399 November 17, 2009 Aregger et al.
D617434 June 8, 2010 Aregger et al.
20060068622 March 30, 2006 Gisler-Reinhard et al.
Patent History
Patent number: D661385
Type: Grant
Filed: Dec 17, 2010
Date of Patent: Jun 5, 2012
Assignee: Leister Technologies AG (Kaegiswil)
Inventors: Andreas Fuerling (Kerns), Leo Wallimann (Alpnachstad)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Attorney: Bachman & LaPointe, P.C.
Application Number: 29/381,347