Fluorescent lamp ballast
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Description
FIG. 1 is a top, right, front perspective view;
FIG. 2 is a left elevation view;
FIG. 3 is a rear elevation view; and,
FIG 4 is a bottom, plan view.
The broken line showing in FIGS. 1, 2 and 3 is included for the purpose of illustrating environmental structure only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
3482032 | December 1969 | McVoy, Jr. |
4729740 | March 8, 1988 | Crowe et al. |
4897627 | January 30, 1990 | Van Wagener et al. |
4916363 | April 10, 1990 | Burton et al. |
5006764 | April 9, 1991 | Swanson et al. |
5260678 | November 9, 1993 | Van Wagener et al. |
644085 | July 1962 | CAX |
728824 | February 1966 | CAX |
- Ballast on p. 331 of Hong Kong Enterprise, Oct. 1993.
Patent History
Patent number: D356551
Type: Grant
Filed: Aug 2, 1993
Date of Patent: Mar 21, 1995
Assignee: Motorola Lighting, Inc. (Buffalo Grove, IL)
Inventor: Youngkee Ahn (Buffalo Grove, IL)
Primary Examiner: Joel Sincavage
Attorney: J. Ray Wood
Application Number: 0/11,345
Type: Grant
Filed: Aug 2, 1993
Date of Patent: Mar 21, 1995
Assignee: Motorola Lighting, Inc. (Buffalo Grove, IL)
Inventor: Youngkee Ahn (Buffalo Grove, IL)
Primary Examiner: Joel Sincavage
Attorney: J. Ray Wood
Application Number: 0/11,345
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)