Immersion apparatus for heat production

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Description

FIG. 1 is an isometric front view of a design for an immersion apparatus for heat production;

FIG. 2 is a top plan view; and,

FIG. 3 is a bottom plan view.

Claims

The ornamental design for an immersion apparatus for heat production, as shown.

Referenced Cited
U.S. Patent Documents
D139313 October 1944 Landerman
2888547 May 1959 Saper
4163895 August 7, 1979 Hauser et al.
D266414 October 5, 1982 Brent
D330936 November 10, 1992 Dieterle et al.
D413659 September 7, 1999 Swartz
D480460 October 7, 2003 Priestman
Patent History
Patent number: D596724
Type: Grant
Filed: May 30, 2008
Date of Patent: Jul 21, 2009
Inventor: Mitchell R. Swartz (Weston, MA)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania K Dworzecka
Application Number: 29/308,134