US 2,000,034 B2

GPTKB entity

Properties (62)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_2,000,034
gptkbp:applicationType non-provisional
gptkbp:assignee Doe Industries
gptkbp:assigneeCountry gptkb:California,_USA
gptkbp:citedBy US_3,000,000
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1952-01-15
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1935-01-15
https://www.w3.org/2000/01/rdf-schema#label US 2,000,034 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:New_York,_USA
gptkbp:issueDate 1935-05-14
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:nonPatentCitation Journal_of_Mechanical_Engineering,_1934.
gptkbp:patentAbstract Figure 1, Figure 2.
Filed, examined, granted.
Initial filing, amendments.
This patent describes a novel device.
Examined_by_Jane_Smith.
gptkbp:patentAssignee John_Doe.
California,_USA.
Doe_Industries.
gptkbp:patentCitation Figure 1, Figure 2.
US_1,500,000
Cited_by_US_3,000,000.
Journal_of_Mechanical_Engineering,_1934.
gptkbp:patentClassification F03D 1/00.
Class F.
gptkbp:patentDescription Detailed description of the invention.
Improved Mechanical Device.
This patent describes a novel device.
gptkbp:patentExpiration 1952-01-15.
gptkbp:patentFamily Doe Patent Family
gptkbp:patentFamilyMembers US_2,000,035,_US_2,000,036.
gptkbp:patentField energy conversion.
Energy conversion.
gptkbp:patentFilingDate 1935-01-15.
1935-05-14.
gptkbp:patentInventor John_Doe.
New_York,_USA.
gptkbp:patentMaintenanceFee Paid.
gptkbp:patentNumber 2,000,034.
gptkbp:patentOwner John_Doe.
gptkbp:patentStatus Active.
Granted.
Assignment, maintenance.
gptkbp:patentType utility
Utility patent.
Non-provisional.
Related to US 1,000,000.
gptkbp:priorityDate 1934-01-15
gptkbp:relatedTo US_1,000,000
gptkbp:status active
gptkbp:subclass energy efficiency