US158984A - Improvement in fire-escape ladders - Google Patents
Improvement in fire-escape ladders Download PDFInfo
- Publication number
- US158984A US158984A US158984DA US158984A US 158984 A US158984 A US 158984A US 158984D A US158984D A US 158984DA US 158984 A US158984 A US 158984A
- Authority
- US
- United States
- Prior art keywords
- fire
- improvement
- escape ladders
- ladders
- escape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
- E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
- E06C5/04—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
- Special Wing (AREA)
Description
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US158984A true US158984A (en) | 1875-01-19 |
Family
ID=2228394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US158984D Expired - Lifetime US158984A (en) | Improvement in fire-escape ladders |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US158984A (en) |
-
0
- US US158984D patent/US158984A/en not_active Expired - Lifetime
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