About: http://webisa.webdatacommons.org/65870207

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	This date may be once per week, twice per month, once per month or other arrangement as previously agreed and they may be different from one vendor to the other.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com