About: http://webisa.webdatacommons.org/237546141

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	U.S. Pat. No. 1,175,585 issued Mar. 14, 1916 to George J. Berman discloses an umbrella including an outer sheet comprised of a generally flat material which is bent and thus curved to form a single conical surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com