Improvement in Hoisting Apparatus
GPTKB entity
Statements (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:assignee |
gptkb:Elisha_Otis
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
1853-01-15
|
| gptkbp:describes |
A safety device for hoisting apparatus, commonly known as the elevator safety brake.
|
| gptkbp:filingDate |
1852-08-23
|
| https://www.w3.org/2000/01/rdf-schema#label |
Improvement in Hoisting Apparatus
|
| gptkbp:inventedBy |
gptkb:Elisha_Otis
|
| gptkbp:patent |
US31128A
|
| gptkbp:bfsParent |
gptkb:US_33,376
|
| gptkbp:bfsLayer |
8
|