Statements (13)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:applicationNumber |
US_1920-10-19
|
gptkbp:assignee |
gptkb:Houghton_Manufacturing_Company
|
gptkbp:citedBy |
US_20040000001
|
gptkbp:class |
B29C
|
gptkbp:fieldOfInvention |
Manufacturing
|
gptkbp:filingDate |
1919-05-30
|
gptkbp:grantDate |
1920-10-19
|
https://www.w3.org/2000/01/rdf-schema#label |
US 1357943 B1
|
gptkbp:inventor |
gptkb:William_H._H._Houghton
|
gptkbp:patentNumber |
1357943
|
gptkbp:status |
Expired
|
gptkbp:title |
Method of and apparatus for making a tubular article
|