US1657766A - -xx-x - - x -- - - x - -- - Google Patents
-xx-x - - x -- - - x - -- Download PDFInfo
- Publication number
- US1657766A US1657766A US1657766DA US1657766A US 1657766 A US1657766 A US 1657766A US 1657766D A US1657766D A US 1657766DA US 1657766 A US1657766 A US 1657766A
- Authority
- US
- United States
- Prior art keywords
- wells
- april
- shuttle box
- box filed
- filed
- 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
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/02—Methods or apparatus for removing ice or snow from railway tracks, e.g. using snow-ploughs ; Devices for dislodging snow or ice which are carried or propelled by tramway vehicles ; Moving or removing ballast
- E01H8/06—Methods or apparatus for removing ice or snow from railway tracks, e.g. using snow-ploughs ; Devices for dislodging snow or ice which are carried or propelled by tramway vehicles ; Moving or removing ballast essentially by driven tools clearing instruments, e.g. rotary cutting tools or brushes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Steroid Compounds (AREA)
- External Artificial Organs (AREA)
Description
April 10, 1928.
' w. s. WELLS SHUTTLE Box Filed 001).
Publications (1)
Publication Number | Publication Date |
---|---|
US1657766A true US1657766A (en) | 1928-01-31 |
Family
ID=3414413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US1657766D Expired - Lifetime US1657766A (en) | -xx-x - - x -- - - x - -- |
Country Status (1)
Country | Link |
---|---|
US (1) | US1657766A (en) |
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0
- US US1657766D patent/US1657766A/en not_active Expired - Lifetime
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