US1657766A - -xx-x - - x -- - - x - -- - Google Patents

-xx-x - - x -- - - x - -- Download PDF

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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
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US
United States
Prior art keywords
wells
april
shuttle box
box filed
filed
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Expired - Lifetime
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    • 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

Description

April 10, 1928.
' w. s. WELLS SHUTTLE Box Filed 001).
US1657766D -xx-x - - x -- - - x - -- Expired - Lifetime US1657766A (en)

Publications (1)

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US1657766A true US1657766A (en) 1928-01-31

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ID=3414413

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US1657766D Expired - Lifetime US1657766A (en) -xx-x - - x -- - - x - --

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