Patent
   D492172
Priority
Jan 18 2002
Filed
Jun 03 2002
Issued
Jun 29 2004
Expiry
Jun 29 2018
Assg.orig
Entity
unknown
6
5
n/a
The ornamental design for a tamping pick for tamping railroad track ballast, as shown and described.

FIG. 1 is a front view of a first embodiment of a tamping pick for tamping railroad track ballast, showing our new design;

FIG. 2 is a back view thereof;

FIG. 3 is a right side view; the left side being a mirror image thereof;

FIG. 4 is a front view of a second embodiment according to the invention;

FIG. 5 is a perspective view of the tamping pick in FIG. 2; and,

FIG. 6 is a right side view; the left side being a mirror image thereof.

Theurer, Josef, Peitl, Friedrich

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Patent Priority Assignee Title
4537135, May 04 1983 Franz Plasser Bahnbaumaschinen Industriegesellschaft m.b.H. Tamping unit
4773333, Mar 25 1985 Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. Selective production tamper machine and a tamping head therefor
5127334, May 02 1990 Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. Ballast tamping machine
D243315, Jan 12 1976 Tamping device
31973,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 12 2002THEURER, JOSEFFRANZ PLASSER BAHNBAUMASCHINEN-INDUSTRIEGESELLSCHAFT M B H ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129660032 pdf
Apr 12 2002PEITL, FRIEDRICHFRANZ PLASSER BAHNBAUMASCHINEN-INDUSTRIEGESELLSCHAFT M B H ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129660032 pdf
Jun 03 2002Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H.(assignment on the face of the patent)
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