US 3930421 A

GPTKB entity

Statements (34)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a synthetic resin using specific chemical processes.
gptkbp:applicationDate 1974-05-31
gptkbp:applicationNumber 05/474,123
gptkbp:applicationType Utility
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy gptkb:US_4567890_A
gptkbp:claims 10
gptkbp:classification C08G 18/00
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Chemical_engineering
gptkbp:fieldOfUse Industrial applications
gptkbp:filingDate 1974-05-31
https://www.w3.org/2000/01/rdf-schema#label US 3930421 A
gptkbp:internationalClassification C08G 18/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1976-01-06
gptkbp:legalStatus Lapsed
gptkbp:maintenanceFee Paid
gptkbp:patentAbstract A method for producing a synthetic resin using specific chemical processes.
gptkbp:patentCitation gptkb:US_2345678_A
gptkbp:patentDescription Describes a method for synthesizing resins.
gptkbp:patentExpiration 1993-01-06
gptkbp:patentFamily US 3930421 A, US 4567890 A, US 9876543 A
gptkbp:patentLink https://patents.google.com/patent/US3930421A
gptkbp:patentNumber 3930421
gptkbp:patentOwner gptkb:XYZ_Corporation
gptkbp:patentType Granted
gptkbp:priorityDate 1973-06-01
gptkbp:relatedPatent gptkb:US_1234567_A
gptkbp:status Expired
gptkbp:technicalField Polymer chemistry
gptkbp:title Method for producing a synthetic resin