Ski-boot heater
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 17, 1989
Grant Date -
N/A
app pub date -
Jun 30, 1987
filing date -
Jul 3, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ski-boot heater has a heating resistor and a battery mounted in the boot and a socket is provided in the boot for connecting the resistor and the battery to an external voltage source. A control circuit enables the battery to be recharged with direct current when the socket is connected to an external AC or DC supply and when the battery is being recharged enables the resistor to be supplied with electrical power greater than that normally supplied to the resistor by the battery.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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