Patent
   D313300
Priority
Jun 28 1988
Filed
Jun 28 1988
Issued
Dec 25 1990
Expiry
Dec 25 2004
Assg.orig
Entity
unknown
3
8
n/a
The ornamental design for a safety jack for mobile homes and trailers, as shown and described.

FIG. 1 is a front elevational view of a safety jack for mobile homes and trailers showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view of a second embodiment of the safety jack for mobile homes and trailers;

FIG. 7 is a right side elevational view of FIG. 6;

FIG. 8 is a left side elevational view of FIG. 6;

FIG. 9 is a top plan view of FIG. 6; and

FIG. 10 is a bottom plan view of FIG. 6.

The rear views of FIGS. 1 and 6 are mirror images of the front views.

The broken lines showing an I-beam and pier is for illustrative purposes only and forms no part of the claimed invention.

Robertson, Johnie C.

Patent Priority Assignee Title
D321351, Sep 08 1989 ERNST STADELMANN GESELLSCHAFT M B H , A LIMITED-LIABILITY COMPANY OF AUSTRIA Pivotable telephone stand
D532178, Jul 01 2004 Adjustable jack
D657933, Jul 20 2011 Emerson Electric Co. Handle
Patent Priority Assignee Title
3118651,
3580543,
3606231,
3786551,
3810603,
3957249, Sep 29 1975 Trailer jack foot
3968605, Dec 27 1974 Aluminum Company of America Adjustable column for buildings
D298676, Dec 30 1986 Atwood Industries, Inc.; ATWOOD INDUSTRIES, INC , A CORP OF ILLINOIS Trailer jack
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