Properties (11)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:abstract |
A device for improving efficiency in mechanical systems.
|
gptkbp:applicationNumber |
gptkb:US_3,200,375_A
|
gptkbp:citedBy |
US_4,500,000
|
gptkbp:class |
B60K_1/00
|
https://www.w3.org/2000/01/rdf-schema#label |
US 3,200,375
|
gptkbp:issuedBy |
gptkb:John_Doe
|
gptkbp:issuedOn |
1965-08-17
|
gptkbp:patentType |
utility
|
gptkbp:relatedTo |
mechanical engineering
|
gptkbp:status |
expired
|