US 1,234,830 B1

URI: https://gptkb.org/entity/US_1%2C234%2C830_B1
GPTKB entity
Properties (33)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber 07/020,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy US_5,678,901
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2009-08-01
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1986-05-30
gptkbp:firstClaim A mechanism comprising...
https://www.w3.org/2000/01/rdf-schema#label US 1,234,830 B1
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1989-08-01
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:location gptkb:USA
gptkbp:maintenanceFee paid
gptkbp:patentCitation US_4,567,890
gptkbp:patentFamily US_1,234,830_B1,_US_1,234,829_B1
gptkbp:patentInventor 20 years
gptkbp:patentNumber 1,234,830
gptkbp:patentType utility
gptkbp:priorityDate 1985-05-30
gptkbp:relatedTo gptkb:US_1,234,829_B1
gptkbp:status active
gptkbp:subclass energy conversion