Inflatable cushions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 18, 2000
Grant Date -
N/A
app pub date -
Apr 30, 1998
filing date -
May 15, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The inflatable lifting cushion comprises two segments (10) each comprising a ring chamber (11) around a central web (12). The two segments (10) are welded together at a junction (13) to define therebetween a central chamber (14). An air inlet fitting (30) (FIG. 1) is attached to one of the segments (10) for simultaneous inflation of the chambers (11) and (14).
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