Casing of electric heater
Description
Claims
The ornamental design for a casing of electric heater, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
1534571 | April 1925 | Conning |
1644595 | October 1927 | Karg |
1719872 | July 1929 | Calcott |
2151140 | March 1939 | Novak |
3139516 | June 1964 | Boecher |
D255486 | June 17, 1980 | Bender |
4309594 | January 5, 1982 | Jones |
D270467 | September 6, 1983 | Fowler et al. |
D273322 | April 3, 1984 | Fleisler |
D323382 | January 21, 1992 | Wang |
D333866 | March 9, 1993 | Wang |
20060110141 | May 25, 2006 | Burkett et al. |
- www.edenpurestore.com, retrieved on Nov. 29, 2007, 2 pages, Sun Twin 1500 elite and Eden Pure Model 500XL.
Patent History
Patent number: D567346
Type: Grant
Filed: May 24, 2007
Date of Patent: Apr 22, 2008
Inventor: Heng-Yuan Lin (Banciao City, Taipei Hsien)
Primary Examiner: Robert M. Spear
Assistant Examiner: Anna K Dworzecka
Attorney: Hamre, Schumann, Mueller & Larson, P.C.
Application Number: 29/280,343
Type: Grant
Filed: May 24, 2007
Date of Patent: Apr 22, 2008
Inventor: Heng-Yuan Lin (Banciao City, Taipei Hsien)
Primary Examiner: Robert M. Spear
Assistant Examiner: Anna K Dworzecka
Attorney: Hamre, Schumann, Mueller & Larson, P.C.
Application Number: 29/280,343
Classifications
Current U.S. Class:
Mobile Space Heater, E.g., Wheeled Blower Type, Etc. (D23/317);
Portable (D23/332)