Patent
   D640497
Priority
Apr 10 2009
Filed
Apr 10 2009
Issued
Jun 28 2011
Expiry
Jun 28 2025
Assg.orig
Entity
unknown
7
34
n/a
The ornamental design for a dual burner, as shown and described.

FIG. 1 is a front isometric view of a dual burner showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The details shown in broken lines form no part of the claimed design.

Walker, Jesse, Lorenz, Nathan, Listenberger, Eric, Mozer, Clark

Patent Priority Assignee Title
10165888, Sep 18 2015 Heating and cooking system
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8899222, Apr 10 2009 Colorado State University Research Foundation Cook stove assembly
9435544, Jun 15 2012 PRAKTI PTE LTD Method and apparatus for burning solid fuels by radiative combustion
D666055, Jul 26 2011 Disposable liner for a camping stove
D686444, Apr 10 2009 EnviroFit International, Ltd. Dual burner
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 10 2009EnviroFit International, Ltd.(assignment on the face of the patent)
Jun 18 2009LISTENBERGER, ERICENVIROFIT INTERNATIONAL, LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0228600209 pdf
Jun 19 2009LORENZ, NATHANENVIROFIT INTERNATIONAL, LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0228600209 pdf
Jun 19 2009WALKER, JESSEENVIROFIT INTERNATIONAL, LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0228600209 pdf
Jun 19 2009MOZER, CLARKENVIROFIT INTERNATIONAL, LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0228600209 pdf
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