Supporting device for ladders
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United States of America Patent
Stats
-
Nov 16, 1982
Grant Date -
N/A
app pub date -
Nov 30, 1979
filing date -
Dec 1, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A supporting device for ladders which has two supports which can be connected with rungs of the ladder by two connecting devices. The connecting devices form at least one pair of connecting parts which receive two rungs of the ladder in opposite direction, the connecting parts being at a variable distance from each other.
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