Air heater

- Leister Technologies AG
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Description

FIG. 1 is a left side elevational view of the air heater showing our design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front perspective view thereof.

The broken lines in FIGS. 4 and 5 show portions of the air heater that form no part of the claimed design.

Claims

The ornamental design for an air heater, as shown and described.

Referenced Cited
U.S. Patent Documents
D105999 September 1937 Morgan
D421296 February 29, 2000 Kemp
D573703 July 22, 2008 Gosselin
D604399 November 17, 2009 Aregger
D617434 June 8, 2010 Aregger
D661385 June 5, 2012 Fuerling
D743015 November 10, 2015 Arnold
D743016 November 10, 2015 Arnold
Patent History
Patent number: D985743
Type: Grant
Filed: Aug 23, 2021
Date of Patent: May 9, 2023
Assignee: Leister Technologies AG (Kagiswil)
Inventors: Patrick Plank (Emmen), Adam Warkiewicz (Bichelsee)
Primary Examiner: Ania Aman
Application Number: 29/804,877
Classifications