High pressure electric discharge lamp employing a metal spiral with positive potential
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 1, 1985
Grant Date -
N/A
app pub date -
Jun 24, 1982
filing date -
Jun 24, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
A high intensity discharge lamp, for example a high pressure sodium or sodium halide lamp, which utilizes a refractory metal spiral with positive electric potential applied to it positioned around the arc tube to aid in starting and inhibit sodium migration through the arc tube during operation.
Loading the Abstract Image...
OK
First Claim
Family
Loading Family data...
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully