Patent
   D491431
Priority
Jun 03 2002
Filed
Aug 06 2003
Issued
Jun 15 2004
Expiry
Jun 15 2018
Assg.orig
Entity
unknown
0
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 the 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 of the tamping pick for tamping railroad track ballast according to the invention;

FIG. 5 is a back view thereof;

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

FIG. 7 is a front view of a third embodiment of the tamping pick for tamping railroad track ballast according to the invention;

FIG. 8 is back view thereof;

FIG. 9 is a right side view, the left side being a mirror image thereof;

FIG. 10 is a front view of fourth embodiment of the tamping pick for tamping railroad track ballast according to the invention;

FIG. 11 is back view thereof;

FIG. 12 is a right side view, the left side being a mirror image thereof;

FIG. 13 is a perspective view thereof;

FIG. 14 is a top plan view thereof; and,

FIG. 15 is a bottom plan view thereof.

Theurer, Josef, Peitl, Friedrich

Patent Priority Assignee Title
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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Aug 06 2003Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H.(assignment on the face of the patent)
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