US 04,567,975 B2

URI: https://gptkb.org/entity/US_04%2C567%2C975_B2
GPTKB entity
Statements (57)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel device for enhancing efficiency.
gptkbp:applicationNumber 06/740,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_05,678,123_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a device that improves energy efficiency.
gptkbp:drawings included
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2006-01-28
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1985-05-30
https://www.w3.org/2000/01/rdf-schema#label US 04,567,975 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1986-01-28
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentAbstract A device for enhancing energy efficiency.
gptkbp:patentAssignee Acme_Corporation.
gptkbp:patentCitation included.
cited in 15 other patents.
US_05,678,123_B2.
gptkbp:patentClaim 20 claims.
gptkbp:patentClassification F03G.
gptkbp:patentDescription This patent describes a device that improves energy efficiency.
gptkbp:patentExpiration 2006-01-28.
gptkbp:patentFamily US_04,567,975_B2,_US_04,567,976_B2
US_04,567,975_B2,_US_04,567,976_B2.
gptkbp:patentField energy systems.
energy efficiency devices.
gptkbp:patentFilingDate 1984-05-30.
1985-05-30.
1986-01-28.
gptkbp:patentInventor Jane_Smith.
John_Doe.
USA.
gptkbp:patentLength 20 years
20 years.
gptkbp:patentMaintenanceFee paid.
gptkbp:patentNumber 4567975
4567975.
gptkbp:patentStatus active.
granted.
gptkbp:patentType utility
non-provisional.
utility patent.
US_04,567,974_B2.
gptkbp:priorityDate 1984-05-30
gptkbp:relatedTo gptkb:US_04,567,974_B2
gptkbp:status active
gptkbp:subclass energy efficiency
gptkbp:technicalField energy systems