Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Patent
|
| gptkbp:applicationDate |
1876-06-20
|
| gptkbp:applicationNumber |
US186787A
|
| gptkbp:assignee |
gptkb:Smith_&_Co.
|
| gptkbp:citedBy |
gptkb:US_Patent_2000001
|
| gptkbp:classification |
D21H_17/00
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:description |
A method for improving the quality of paper.
|
| gptkbp:fieldOfUse |
Paper Manufacturing
|
| https://www.w3.org/2000/01/rdf-schema#label |
US Patent 186787
|
| gptkbp:inventor |
gptkb:William_H._Smith
|
| gptkbp:issuedOn |
1877-01-30
|
| gptkbp:patentNumber |
186787
|
| gptkbp:patentType |
Utility Patent
|
| gptkbp:relatedTo |
Paper production technology
|
| gptkbp:status |
Expired
|
| gptkbp:title |
Improvement in the Art of Making Paper
|