About: http://webisa.webdatacommons.org/14119079

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The valve assembly of claim 3 wherein said cylindrical sidewall defines a first diameter and said biasing element is a helical spring defining a second diameter, said second diameter being larger than said first diameter.6.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com