US 2728291 B1

GPTKB entity

Properties (47)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to an improved method of manufacturing widgets.
gptkbp:applicationNumber US_12345678
gptkbp:applicationPublication US_1956-01-01
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:assigneeType corporation
gptkbp:citedBy gptkb:US_1234567_A
gptkbp:claims 10
gptkbp:class B29C_45/00
gptkbp:country gptkb:United_States
gptkbp:documentType patent
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention manufacturing processes
gptkbp:fieldOfUse manufacturing
gptkbp:filingDate 1954-01-01
gptkbp:grantDate 1956-12-18
https://www.w3.org/2000/01/rdf-schema#label US 2728291 B1
gptkbp:internationalClassification B29C_45/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
American
gptkbp:language English
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentAbstract An improved method for producing widgets.
gptkbp:patentAssignee gptkb:Acme_Corporation
gptkbp:patentCitation gptkb:US_1234567_A
gptkbp:patentClassification B29C
gptkbp:patentDescription This patent describes a novel approach to widget manufacturing.
gptkbp:patentExpiration 1973-12-18
gptkbp:patentFamily US_2728291_B1,_US_2728290_B1
gptkbp:patentFilingDate 1954-01-01
1956-12-18
gptkbp:patentImage URL_to_image
gptkbp:patentInventor gptkb:John_Doe
gptkbp:patentMaintenanceFee 5 years
gptkbp:patentNumber 2728291
gptkbp:patentStatus active
patent granted
gptkbp:patentType utility
gptkbp:priorityDate 1954-01-01
gptkbp:relatedTo gptkb:US_2728290_B1
gptkbp:status active
gptkbp:subclass B29C_45/10
gptkbp:title Improvement in Widget Manufacturing