Statements (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:applicationNumber |
gptkb:US_3,211,015
|
| gptkbp:assignee |
gptkb:Hargreaves_Engineering,_Inc.
|
| gptkbp:fieldOfInvention |
fluid control
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 3,211,015
|
| gptkbp:inventor |
gptkb:Robert_H._Hargreaves
|
| gptkbp:issuedOn |
1965-10-19
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
1962-10-19
|
| gptkbp:status |
expired
|
| gptkbp:title |
Method of and apparatus for controlling the flow of fluids
|