Interconnecting muffle
Description
The article is an interconnecting muffle for holding materials in a high temperature environment.
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
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
Current U.S. Class:
Element Or Attachment, Not Elsewhere Specified (D23/386)