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gptkbp:instanceOf
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Patent
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gptkbp:abstract
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An improvement in the art of making paper.
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gptkbp:applicationDate
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November 12, 1890
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gptkbp:applicationNumber
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US_0,432,109
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gptkbp:applicationType
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Non-Provisional
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gptkbp:assignee
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gptkb:McGowan_&_Co.
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gptkbp:citedBy
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gptkb:US_Patent_1,000,000
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gptkbp:claims
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1. A method for improving paper quality.
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gptkbp:class
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Class 162 - Paper Making and Fiber Treatment
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gptkbp:country
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gptkb:United_States
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gptkbp:documentType
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Patent Document
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gptkbp:examiner
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gptkb:John_Smith
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gptkbp:fieldOfUse
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Paper manufacturing
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gptkbp:figure
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Figure 1 - Paper making apparatus.
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https://www.w3.org/2000/01/rdf-schema#label
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US Patent 0,432,109
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gptkbp:inventor
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John W. McGowan
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gptkbp:inventorResidence
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gptkb:New_York,_USA
American
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gptkbp:issuedOn
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March 31, 1891
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gptkbp:language
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English
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gptkbp:legalStatus
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Expired due to non-payment of maintenance fees.
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gptkbp:patentCitation
|
Cited by 5 subsequent patents.
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gptkbp:patentClassification
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B31F 1/00
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gptkbp:patentExpiration
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1898-03-31
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gptkbp:patentFamily
|
McGowan Paper Patents
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gptkbp:patentLink
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https://patents.google.com/patent/US432109A
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gptkbp:patentMaintenanceFee
|
Available in public domain.
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gptkbp:patentNumber
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0,432,109
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gptkbp:patentOffice
|
gptkb:USPTO
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gptkbp:patentType
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Utility Patent
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gptkbp:priorityDate
|
November 12, 1890
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gptkbp:publications
|
Granted Patent
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gptkbp:relatedPatent
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gptkb:US_Patent_0,432,110
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gptkbp:relatedTo
|
Paper production process
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gptkbp:status
|
Expired
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gptkbp:subclass
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Subclass_123_-_Paper_Making_Apparatus
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gptkbp:title
|
Improvement in the Art of Making Paper
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