US 4,000,069 A

GPTKB entity

Statements (76)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationDate 1975-06-15
gptkbp:applicationNumber US_4,000,069
gptkbp:applicationType Non-Provisional
gptkbp:assignee Example Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy US_4,500,000_A
gptkbp:claims 10
gptkbp:class Mechanics
gptkbp:country gptkb:United_States
gptkbp:description This patent describes a method for enhancing the efficiency of mechanical systems.
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1976-06-15
https://www.w3.org/2000/01/rdf-schema#label US 4,000,069 A
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkb:New_York
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn 1977-12-28
gptkbp:legalStatus Lapsed
gptkbp:maintenanceFee Not Paid
gptkbp:patentAbstract A method for improving efficiency in mechanical systems.
gptkbp:patentAssignee Example Corporation
John_Doe.
USA.
Los_Angeles.
Example_Corporation.
gptkbp:patentCitation Cited by 5 other patents.
5.
US_3,000,000_A
gptkbp:patentClaim 10 claims.
10.
gptkbp:patentClassification Class 123
Utility.
F03G.
gptkbp:patentDescription A method for improving efficiency in mechanical systems.
gptkbp:patentExpiration 1994-12-28
1994-12-28.
gptkbp:patentFamily US_4,000,069_A,_US_4,500,000_A
gptkbp:patentFamilyMembers US_4,500,000_A,_US_3,000,000_A.
gptkbp:patentField Energy Efficiency
Mechanical_Systems
Mechanical_Engineering.
Mechanical_Systems.
gptkbp:patentFilingDate 1975-06-15
1977-12-28
1975-06-15.
1977-12-28.
gptkbp:patentInventor gptkb:John_Doe
5.
2.
Jane_Smith.
New_York.
USA.
gptkbp:patentLink https://patents.google.com/patent/US4000069A/en
gptkbp:patentMaintenanceFee Not Paid.
gptkbp:patentNumber 4,000,069
4,000,069.
US_4,000,069.
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus Expired due to non-payment of maintenance fees.
Lapsed due to non-payment.
1.
Lapsed.
gptkbp:patentType Utility Patent
A utility patent protects new inventions.
Non-Provisional.
US_3,500,000_A.
gptkbp:priorityDate 1975-06-15
gptkbp:publicationDate 1977-12-28
gptkbp:relatedPatent US_3,500,000_A
gptkbp:status Expired
gptkbp:subclass Energy Conservation
gptkbp:title Method for improving efficiency