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Patent
D569491
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Priority
Jul 02 2007
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Filed
Jul 02 2007
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Issued
May 20 2008
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Expiry
May 20 2022
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Assg.orig
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Entity
unknown
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10
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13
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n/a
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The ornamental design for an interconnecting muffle, as shown and described.
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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.
DeForte, Robert L.
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Assignee |
Title |
1661309, |
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2381538, |
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2383353, |
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2849222, |
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3582054, |
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3621169, |
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3749882, |
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3859041, |
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3980028, |
May 30 1975 |
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Interchangeable see-through and opaque inserts for muffle furnace |
4032290, |
May 24 1976 |
BTU Engineering Corporation |
High temperature furnace muffle |
4213753, |
Apr 07 1977 |
|
Honeycomb muffle in tank furnaces for glass melting |
5577157, |
Feb 07 1994 |
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6392203, |
Mar 27 1998 |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a