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Patent
D569497
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Priority
Apr 11 2007
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Filed
Apr 11 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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8
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19
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n/a
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The ornamental design for a heat diffuser, as shown and described.
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FIG. 1 is a perspective view of a heat diffuser in accordance with one embodiment of the present invention;
FIG. 2 is a side view thereof;
FIG. 3 front view thereof; and,
FIG. 4 is a rear view thereof.
Smith, Mark C., Hoff, Susan K.
| Patent |
Priority |
Assignee |
Title |
| 10197291, |
Jun 04 2015 |
TROPITONE FURNITURE CO., INC. |
Fire burner |
| D603947, |
Jun 08 2007 |
|
Heat diffuser plate |
| D642019, |
Mar 06 2009 |
|
Stove burner cover |
| D643528, |
Dec 27 2010 |
HAIER US APPLIANCE SOLUTIONS, INC D B A GE APPLIANCES |
Heating element |
| D655805, |
Dec 27 2010 |
HAIER US APPLIANCE SOLUTIONS, INC D B A GE APPLIANCES |
Heating element |
| D791930, |
Jun 04 2015 |
TROPITONE FURNITURE CO , INC |
Fire burner |
| D842450, |
Jun 04 2015 |
TROPITONE FURNITURE CO., INC. |
Fire burner |
| D843558, |
Oct 09 2016 |
FUMEX AB |
Collar |
| Patent |
Priority |
Assignee |
Title |
| 1535431, |
|
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|
| 1731734, |
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|
| 2136666, |
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| 2200985, |
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| 3684087, |
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| 4198, |
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Dec 04 1985 |
|
Barbecue grill damper-ash rake |
| 469597, |
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|
| 4858590, |
Mar 10 1988 |
BETA DEVELOPMENT GROUP, INC , A CORP OF KENTUCKY |
Flexible heat transfer pad |
| 122149, |
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|
| 172856, |
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| 33737, |
|
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|
| 33794, |
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|
| D342865, |
Aug 29 1991 |
|
Heat reduction volume compensator for disposition between a coffee pot and hot plate |
| D394312, |
Jun 29 1995 |
Ausmark International Pty Ltd. |
Burner part |
| D398997, |
Nov 22 1995 |
Strix Limited |
Base part for a liquid heating vessel |
| 69852, |
|
|
|
| 91011, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a