Synthetic polymeric resin vacuum container with indicator
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United States of America Patent
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-
Feb 2, 1988
Grant Date -
N/A
app pub date -
Aug 22, 1986
filing date -
Aug 22, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Vacuum containers of synthetic polymeric resins include a wall portion deformable under vacuum containing conditions, to give a visual indication of the vacuum integrity. The containers by virtue of the deformable portion resist paneling.
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