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Patent
D663809
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Priority
May 04 2011
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Filed
Aug 19 2011
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Issued
Jul 17 2012
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Expiry
Jul 17 2026
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Assg.orig
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Entity
unknown
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6
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12
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n/a
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The ornamental design for an electric heater, as shown and described.
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FIG. 1 is a front view of an electric heater showing this new design;
FIG. 2 is a back view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a top view thereof; and,
FIG. 5 is a perspective view thereof.
Ren, Jianhua
| Patent |
Priority |
Assignee |
Title |
| D744623, |
May 02 2012 |
|
Electric heater |
| D756496, |
Jul 03 2014 |
|
Outdoor heater |
| D931428, |
Sep 13 2019 |
|
Outdoor heater |
| D961744, |
Sep 13 2019 |
|
Outdoor heater |
| D984612, |
Oct 18 2022 |
|
Fan heater |
| D984613, |
Aug 16 2022 |
|
Heater |
| Patent |
Priority |
Assignee |
Title |
| 7217098, |
Dec 03 2003 |
Seville Classics, Inc. |
Tower fan assembly |
| 225851, |
|
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|
| D267970, |
Dec 22 1980 |
Sunbeam Corporation |
Radiant heater |
| D271132, |
Apr 08 1981 |
National Presto Industries, Inc. |
Portable radiant electric heater |
| D468414, |
Aug 16 2001 |
|
Warmer electric fan |
| D509291, |
Sep 18 2003 |
WORTHINGTON TORCH, LLC |
Heating element |
| D537154, |
Sep 18 2003 |
WORTHINGTON TORCH, LLC |
Heating element |
| D580028, |
Feb 06 2008 |
Lasko Holdings, Inc. |
Body for a portable heater |
| D593662, |
Oct 23 2006 |
Koninklijke Philips Electronics N V |
Heater |
| D620569, |
Mar 08 2010 |
Well Traveled Living |
Square flame burner with wheels |
| D639919, |
Mar 15 2010 |
Hi-Seasons Products (Changzhou) CD., Ltd. |
Round flame heater |
| D640355, |
Mar 15 2010 |
Hi-Seasons Products (Changzhou) CD., Ltd. |
Table flame heater |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a