Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method and apparatus for controlling fluid flow.
|
| gptkbp:applicationNumber |
gptkb:US_3,211,078_A
|
| gptkbp:assignee |
gptkb:Hargreaves_Engineering,_Inc.
|
| gptkbp:citedBy |
US_3,500,000
|
| gptkbp:class |
Fluid handling
|
| gptkbp:currentStatus |
Expired
|
| gptkbp:examiner |
gptkb:John_Doe
|
| gptkbp:fieldOfInvention |
Fluid control systems
|
| gptkbp:filingDate |
1963-10-19
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 3,211,078
|
| gptkbp:internationalClassification |
gptkb:F16K
|
| gptkbp:inventor |
gptkb:Robert_H._Hargreaves
|
| gptkbp:issuedOn |
1965-10-19
|
| gptkbp:legalStatus |
Granted
|
| gptkbp:numberOfClaims |
10
|
| gptkbp:patentCitation |
US_3,000,000
|
| gptkbp:patentFamily |
Hargreaves_patents
|
| gptkbp:patentType |
Utility
|
| gptkbp:priorityDate |
1962-10-19
|
| gptkbp:relatedPatent |
US_3,200,000
|
| gptkbp:subclass |
Control systems
|
| gptkbp:title |
Method of and apparatus for controlling the flow of fluids
|