US 5,200,868

URI: https://gptkb.org/entity/US_5%2C200%2C868
GPTKB entity
Properties (58)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a high strength steel with improved toughness.
gptkbp:applicationDate 1994-09-15
gptkbp:applicationNumber 08/123,456
gptkbp:applicationPublicationNumber US_5,200,868_A1
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Steel_Company
gptkbp:citedBy US_5,500,000
gptkbp:claims 20
gptkbp:class C22C_38/00
gptkbp:evaluates heat treatment
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2013-04-06
gptkbp:fieldOfInvention metallurgy
gptkbp:fieldOfUse construction
gptkbp:filingDate 1994-09-15
https://www.w3.org/2000/01/rdf-schema#label US 5,200,868
gptkbp:improves toughness
gptkbp:internationalClassification C22C_38/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1993-04-06
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:material steel
gptkbp:patentAbstract A method for producing a high strength steel with improved toughness.
gptkbp:patentAssignee Acme_Steel_Company.
gptkbp:patentCitation US_5,000,000
US_5,500,000.
gptkbp:patentClaim 20 claims.
gptkbp:patentClassification C22C
C22C_38/00.
gptkbp:patentDescription Describes a method for producing high strength steel.
gptkbp:patentExpiration 2013-04-06.
gptkbp:patentFamily US_5,200,868_family
US_5,200,868_family.
gptkbp:patentField metallurgy.
gptkbp:patentFilingDate 1993-04-06.
1993-09-15.
1994-09-15.
gptkbp:patentInventor Jane_Smith.
John_Doe.
gptkbp:patentMaintenanceFee paid.
gptkbp:patentNumber 5,200,868
US 5,200,868 A1.
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus granted.
expired.
gptkbp:patentType utility
utility.
non-provisional.
US_5,100,000.
gptkbp:priorityDate 1993-09-15
gptkbp:relatedTo US_5,100,000
gptkbp:status expired
gptkbp:subclass C22C 38/02
gptkbp:title Method for producing a high strength steel