Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Ask Patents is a question and answer site for people interested in improving and participating in the patent system. It only takes a minute to sign up.
In reference to the patent: US5807360
This is a utility patent and has 20-year patent term. Counted from its filing date is September 27,1996, so this patent would be expired on September 27, 2016.