US 2,890,183 A

GPTKB entity

Properties (58)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method and apparatus for controlling fluid flow.
gptkbp:applicationDate July 15, 1957
gptkbp:applicationNumber Serial No. 703,155
gptkbp:applicationType Non-provisional
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Department_of_the_Army
gptkbp:citedBy gptkb:US_4,567,890_A
gptkb:US_5,678,901_A
US_3,123,123_A
gptkbp:claims 10 claims.
gptkbp:country gptkb:United_States
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention Fluid control systems
gptkbp:filedIn gptkb:William_H._McCulloch
gptkbp:filingCountry Closed
https://www.w3.org/2000/01/rdf-schema#label US 2,890,183 A
gptkbp:internationalClassification F16K_31/00
gptkbp:inventiveStep Yes
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn June 16, 1959
gptkbp:legalStatus Lapsed
gptkbp:maintenanceFee Not paid.
gptkbp:novelty Yes
gptkbp:patentAbstract Describes a method for controlling fluid flow.
gptkbp:patentAssignee The_United_States_of_America.
gptkbp:patentCitation Yes.
Cited by other patents.
Cited by 3.
gptkbp:patentClaim Claims defining the invention.
gptkbp:patentClassification Class 137.
137.
F16K.
gptkbp:patentDescription Detailed description of the invention.
gptkbp:patentExpiration June 16, 1976
June 16, 1976.
gptkbp:patentFamily US_2,890,183_A_family.
gptkbp:patentFamilyMembers Related patents.
gptkbp:patentField Engineering.
Fluid control.
gptkbp:patentFilingDate July 15, 1957.
June 16, 1959.
gptkbp:patentInventor William_H._McCulloch.
gptkbp:patentMaintenanceFee Not paid.
gptkbp:patentNumber 2,890,183
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus Yes.
Expired.
Closed.
gptkbp:patentType Utility patent
Utility.
gptkbp:priorityDate April 15, 1957
gptkbp:publications Granted patent
gptkbp:relatedTo gptkb:US_2,890,182_A
gptkb:US_2,890,184_A
gptkbp:status Expired
gptkbp:technicalField Engineering
gptkbp:title Method of and apparatus for controlling the flow of fluids
gptkbp:USClassification 137/625