Interconnecting muffle

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Description

The article is an interconnecting muffle for holding materials in a high temperature environment.

FIG. 1 is a front view of the interconnecting muffle embodying my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a side view thereof, the opposite side being a mirror image;

FIG. 4 is a top view thereof, the opposite side being a mirror image; and

FIG. 5 is a perspective view thereof.

FIG. 6 is a front view of another embodiment of the interconnecting muffle;

FIG. 7 is a back view thereof; and,

FIG. 8 is a perspective view thereof.

Claims

The ornamental design for an interconnecting muffle, as shown and described.

Referenced Cited
U.S. Patent Documents
1661309 March 1928 Saxe
2381538 August 1945 Harris
2383353 August 1945 Steele
2849222 August 1958 Senger
3582054 June 1971 Beck
3621169 November 1971 Heft et al.
3749882 July 1973 Pilkington et al.
3859041 January 1975 Winslow
3980028 September 14, 1976 Ginsburg
4032290 June 28, 1977 Soderlund et al.
4213753 July 22, 1980 Negroni et al.
5577157 November 19, 1996 Sopori
6392203 May 21, 2002 Schmidmayer
Patent History
Patent number: D569491
Type: Grant
Filed: Jul 2, 2007
Date of Patent: May 20, 2008
Assignee: Saint-Gobain Ceramics & Plastics, Inc. (Worcester, MA)
Inventor: Robert L. DeForte (Leominster, MA)
Primary Examiner: Louis S Zarfas
Assistant Examiner: David G Muller
Attorney: Robert T. Conway
Application Number: 29/289,033
Classifications