Patent
   D447554
Priority
May 22 2000
Filed
Aug 14 2000
Issued
Sep 04 2001
Expiry
Sep 04 2015
Assg.orig
Entity
unknown
3
6
n/a
The ornamental design for a flame retention head for a waste oil-burning system, as shown and described.

FIG. 1 is a perspective view of a flame retention head for a waste oil-burning system showing our new design;

FIG. 2 is a side elevational view thereof, as seen generally from the right in FIG. 1, the opposite side view being a mirror image thereof, the top view being identical thereto when the FIG. 2 view is rotated counter-clockwise through ninety degrees, and the bottom view being identical thereto when the FIG. 2 view is rotated clockwise through ninety degrees;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a cross-sectional view taken about along line 5--5 of FIG. 4.

Briggs, Eugene C., Robertson, Wayne, Gansel, Christopher L.

Patent Priority Assignee Title
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
D865935, Jul 25 2019 SHENZHENQIANHAIPATUOXUNNETWORKANDTECHNOLOGYCO.,LTD; SHENZHEN QIWEISHIDAI TECHNOLOGY CO., LTD Portable aroma diffuser
Patent Priority Assignee Title
4285329, Dec 26 1978 Friction heat generator
4487571, Nov 22 1982 PINNACLE NATIONAL BANK Oil combustion system
5553802, Dec 03 1993 DELPHI KOREA CO , LTD Oppressive sensation reducer for safety belt of automobile
5879149, Sep 09 1996 PINNACLE NATIONAL BANK Fuel control and preheating system for a fuel-burning heater
34676,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 01 2000ROBERTSON, WAYNEBlack Gold CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0110420381 pdf
Aug 02 2000GANSEL, CHRISTOPHER L Black Gold CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0110420381 pdf
Aug 03 2000BRIGGS, EUGENE C Black Gold CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0110420381 pdf
Aug 14 2000Black Gold Corporation(assignment on the face of the patent)
Dec 13 2001Black Gold CorporationENERGY LOGIC, LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0125690331 pdf
Dec 13 2001ENERGY LOGIC, LLCROBERTSUN COMPANY F K A BLACK GOLD CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0126410732 pdf
Dec 14 2001ENERGY LOGIC, LLCPINNACLE NATIONAL BANKASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0123760848 pdf
Sep 06 2019ENERGYLOGIC I, LLCBMO HARRIS BANK N A SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0537670074 pdf
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