Door sill
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United States of America Patent
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N/A
Issued Date -
Jan 31, 2008
app pub date -
Jun 26, 2007
filing date -
Jun 27, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention relates to a door such as a balcony or patio door, featuring a threshold which, to accommodate handicapped traffic, is partly retractable, automatically dropping from its normal base position into its transit position, while by the actuation of a control mechanism it is restorable from the transit position to its normal base position, in a manner whereby in its transit position it permits unimpeded passage for handicapped persons from the inside to the outside and vice versa.
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