Statements (19)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:US_patent
|
gptkbp:application |
US158070A
|
gptkbp:assignee |
gptkb:Lynn_Mason
|
gptkbp:class |
C04B 28/00
|
gptkbp:country |
gptkb:United_States
|
gptkbp:fieldOfInvention |
construction materials
|
gptkbp:filingDate |
1927-01-17
|
https://www.w3.org/2000/01/rdf-schema#label |
US1781541A
|
gptkbp:inventedBy |
gptkb:Lynn_Mason
|
gptkbp:language |
English
|
gptkbp:priorityDate |
1927-01-17
|
gptkbp:publicationDate |
1930-11-11
|
gptkbp:status |
expired
|
gptkbp:title |
Method of making colored concrete
|
gptkbp:bfsParent |
gptkb:Einstein–Szilard_patent
gptkb:Einstein–Szilard_pump gptkb:Einstein–Szilard_refrigerator gptkb:Einstein_refrigerator |
gptkbp:bfsLayer |
4
|