Dual burner
Description
The details shown in broken lines form no part of the claimed design.
Claims
The ornamental design for a dual burner, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
2383188 | August 1945 | Griswold |
D196018 | August 1963 | Palmer |
D214297 | May 1969 | Ihde |
D229277 | November 1973 | Ming-Kong |
3877458 | April 1975 | Allander |
D235959 | July 1975 | Allander |
D244664 | June 14, 1977 | Monnet |
D244985 | July 12, 1977 | Folke |
D249448 | September 19, 1978 | Vache |
D254165 | February 12, 1980 | Woodward |
D261347 | October 20, 1981 | Lutz |
4471751 | September 18, 1984 | Hottenroth et al. |
4512328 | April 23, 1985 | Arad |
5024208 | June 18, 1991 | Hottenroth et al. |
5197454 | March 30, 1993 | Lee |
D350256 | September 6, 1994 | Wang |
D355809 | February 28, 1995 | Kothrade |
5480608 | January 2, 1996 | Tsuda et al. |
D371716 | July 16, 1996 | Jo |
5881709 | March 16, 1999 | Daoust |
D424364 | May 9, 2000 | Persson |
6138661 | October 31, 2000 | Cooper |
D435191 | December 19, 2000 | Cooper |
D444991 | July 17, 2001 | Measom |
D445296 | July 24, 2001 | Kenyon |
D447664 | September 11, 2001 | Stephens |
D478771 | August 26, 2003 | Wu |
D488023 | April 6, 2004 | Siegel |
D491409 | June 15, 2004 | Siegel |
D512264 | December 6, 2005 | May |
D612662 | March 30, 2010 | Lorenz et al. |
20070034198 | February 15, 2007 | Arad |
20080168979 | July 17, 2008 | Goehring |
20100258104 | October 14, 2010 | Defoort et al. |
- U.S. Appl. No. 29/335,240, filed Apr. 10, 2009, Lorenz et al.
- Oorja (BP), “BioEnergy Lists: Biomass Cooking Stoves”, located at http://www.bioenergylists.org/taxonomy/term1339, retrieved at least as early as Mar. 2009, 3 pages.
- Managala Stove, Gen. I, EnviroFit International, Ltd., Nov. 2007, 1 page.
- Managala Stove Double, Gen. I, EnviroFit International, Ltd., Nov. 2007, 1 page.
- “EnviroFit Clean Cookstoves”, Stove and Stove Double, Gen. II, Catalog, EnviroFit International, Ltd., at least as early as May 2008, 18 pages.
- Still, “Larry Winiarski's Rocket Stove Principles”, located at http://www.bioenerqylists.org/stovesdoc/Still/Rocket%20Stove/Principles.htrnl, Apr. 2002, 3 pages.
- Wikipedia, “Rocket Stove”, located at http://en.wikipedia.org/wiki/Rocket—stove, retrieved at least as early as Mar. 11, 2009, 4 pages.
- Koninklijke Philips Electronics N.V., “Philips Woodstove”, located at http://research.philips.com/newscenter/pictures/downloads/misc-sustainability, retrieved at least as early as Mar. 12, 2009, 1 page.
- Hedon Household Energy Network, Insulative Ceramics For Improved Cooking Stores by Dean Still et al., located at http://www.hedon.info/InsulativeCeramicsForImprovedCookingStoves, retrieved at least as early as Mar. 12, 2009, 7 pages.
- Anderson, Paul S., “The Origins of the Juntos Gasifier Stoves: Short Version”, Dept. of Geography-Geology, Illinois State Univ., Sep. 2002, 1 page.
- Koninklijke Philips Electronics N.V., photographs of Cook Stove, obtained at least as early as Mar. 5, 2009, 5 pages.
- British Petroleum p.l.c., photographs of Cook Stove, obtained at least as early as Mar. 5, 2009, 5 pages.
- Reed et al., “The ‘Turbo’ Wood-Gas Stove”, located at http://www.bioenergylists.org/stovesdoc/Reed/Turbo2.htm, retrieved at least as early as Mar. 10, 2009, 5 pages.
- Biomass Energy Foundation, “Woodgas”, located at http://www.woodgas.com, retrieved at least as early as Mar. 10, 2009, 4 pages.
- Spautz et al., “Spreading innovative biomass stove technologies through China and beyond”, located at http://www.hedon.info/docs/BP52-3-spautz.pdf, retrieved at least as early as Mar. 2009, pp. 6-8.
- Suvarnakuta et al., “Biomass Cooking Stove for Sustainable Energy and Environment”, The 2nd Joint International Conference on “Sustainable Energy and Environment (SEE 2006)”, located at http://www.jgsee.kmutt.ac.th/see1/cd/file/C-014.pdf, Nov. 21-23, 2006, 5 pages.
- MacCarty et al., “Laboratory Comparison of the Global-Warming Potential of Six Categories of Biomass Cooking Stoves”, located at http://www.aprovecho.org/web-content/publications/assets/Global—warming—full—9-6-07.pdf, Sep. 2007, 26 pages.
- Notice of Allowance and Fee(s) Due, Notice of Allowability For A Design Application, and PTO-892, U.S. Appl. No. 29/335,240, filed Nov. 23, 2009, 7 pages.
- U.S. Appl. No. 12/756,386, filed Apr. 8, 2010, DeFoort et al.
Patent History
Patent number: D640497
Type: Grant
Filed: Apr 10, 2009
Date of Patent: Jun 28, 2011
Assignee: Envirofit International, Ltd. (Fort Collins, CO)
Inventors: Nathan Lorenz (Fort Collins, CO), Jesse Walker (Fort Collins, CO), Eric Listenberger (Moorestown, NJ), Clark Mozer (Fort Collins, CO)
Primary Examiner: Ruth McInroy
Attorney: Dorsey & Whitney LLP
Application Number: 29/335,241
Type: Grant
Filed: Apr 10, 2009
Date of Patent: Jun 28, 2011
Assignee: Envirofit International, Ltd. (Fort Collins, CO)
Inventors: Nathan Lorenz (Fort Collins, CO), Jesse Walker (Fort Collins, CO), Eric Listenberger (Moorestown, NJ), Clark Mozer (Fort Collins, CO)
Primary Examiner: Ruth McInroy
Attorney: Dorsey & Whitney LLP
Application Number: 29/335,241
Classifications
Current U.S. Class:
D7/337