Double-edged HID electronic ballast
Description
Claims
The ornamental design for a double-edged hid electronic ballast, as shown and described.
Referenced Cited
U.S. Patent Documents
| 2477957 | August 1949 | Briskin |
| D193573 | September 1962 | Goodman |
| 3197545 | July 1965 | Moore |
| 3265885 | August 1966 | Porter |
| D215068 | August 1969 | Kostritsky |
| D217785 | June 1970 | Wolff |
| 4419716 | December 6, 1983 | Koo |
| 4613931 | September 23, 1986 | Messinger |
| D291925 | September 15, 1987 | Dacanay |
| 5377089 | December 27, 1994 | Miller |
| D450406 | November 13, 2001 | Knappstein |
Patent History
Patent number: D571037
Type: Grant
Filed: Mar 24, 2006
Date of Patent: Jun 10, 2008
Inventor: Fangshou Lou (Pan An County, Zhejiang 322300)
Primary Examiner: Freda S. Nunn
Assistant Examiner: Kevin K Rudzinski
Attorney: Birch, Stewart, Kolasch & Birch, LLP
Application Number: 29/256,719
Type: Grant
Filed: Mar 24, 2006
Date of Patent: Jun 10, 2008
Inventor: Fangshou Lou (Pan An County, Zhejiang 322300)
Primary Examiner: Freda S. Nunn
Assistant Examiner: Kevin K Rudzinski
Attorney: Birch, Stewart, Kolasch & Birch, LLP
Application Number: 29/256,719
Classifications
Current U.S. Class:
Support Or Trim (26) (D26/138)