Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:application |
US689124A
|
| gptkbp:assignee |
gptkb:Hiram_Maxim
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
1901-12-17
|
| gptkbp:fieldOfInvention |
firearms
|
| https://www.w3.org/2000/01/rdf-schema#label |
US Patent 689,124
|
| gptkbp:inventedBy |
gptkb:Hiram_Maxim
|
| gptkbp:status |
expired
|
| gptkbp:title |
Method of Initiating Projectile Propelled by Explosion
|
| gptkbp:bfsParent |
gptkb:vacuum_tube
|
| gptkbp:bfsLayer |
5
|