is this expired now? open for using freely?

Question

In reference to the patent: US5803725

Possible duplicate of Is this patent valid? Granted? Which countries does it cover? Are there family members? — user18033, Commented Jun 14, 2017 at 9:32
Possible duplicate of Filing, CIP, Con, PCT, Priority, etc and Expiration Date — Maca, Commented Jun 21, 2017 at 3:35

Eric S · Accepted Answer · 2017-06-14 12:30:28Z

0

The patent's priority date is June 13th, 1997 so it should expire 20 years later on June 13th, 2017.

answered Jun 14, 2017 at 12:30

Eric S

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