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Patent
   D251901
Priority
Jan 16 1978
Filed
Jan 16 1978
Issued
May 22 1979
Expiry
May 22 1993
Inventors
O'Lear, Jo…
Assg.orig
Huwood-Irw…
Assg.curr
IRWIN CAR …
Entity
unknown
Referenced by
3
References
3
Maint.:
n/a
The ornamental design for a mine car truck, as shown.

FIG. 1 is a perspective view of a mine car truck showing the top, rear and left hand side of my new design.

FIG. 2 is a front perspective view thereof.

FIG. 3 is a perspective view showing the bottom, rear, and right hand side thereof.
INVENTORS:

O'Lear, Joseph L.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D534928, Apr 11 2005 Pivoting rail-engaging wheels
D554668, Feb 13 2007 Vertically-adjustable rail-engaging wheels
D666634, Oct 27 2010 Set of wheels for quilting machine
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2513266,
486968,
152988,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 16 1978Huwood-Irwin Co.(assignment on the face of the patent)
Mar 12 1987HUWOOD-IRWIN CO , A CORP OF DE IRWIN CAR AND EQUIPMENT, INC ASSIGNMENT OF ASSIGNORS INTEREST 0046850307 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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