Flashlight
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 12, 2006
Issued Date -
N/A
app pub date -
Mar 25, 2003
filing date -
Mar 25, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A flashlight has a lens moveable relative to an LED. The beam of light provided by the LED can be focused and provides a uniform light pattern across the range of focus. The lens is supported on a front housing section and the LED is supported on a back housing section threaded onto the front housing section. Twisting the front housing section closes a switch providing power to the LED, to turn the flashlight on. Twisting the front housing section also adjusts the focus of the beam. A timer circuit within the flashlight turns the flashlight off after a selected time interval, to preserve battery life.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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