Patent
   D329728
Priority
Feb 28 1990
Filed
Feb 28 1990
Issued
Sep 22 1992
Expiry
Sep 22 2006
Assg.orig
Entity
unknown
2
11
n/a
The ornamental design for the a pier lifter for elevating building footings, as shown and described.

FIG. 1 is a perspective view of a pier lifter for elevating building footings showing my new design;

FIG. 2 is a top plan view thereof;

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

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken line showing of a pipe shaft is for illustrative purposes only and forms no part of the claimed design.

Ladek, Francis P.

Patent Priority Assignee Title
8201805, May 29 2008 Hydraulic jack apparatus
D472030, Jan 23 2002 Pulling apparatus
Patent Priority Assignee Title
2982103,
3685301,
3796055,
3902326,
4634319, Mar 28 1985 Hubbell Incorporated Method and apparatus for lifting and supporting structures
4673315, Aug 16 1985 Apparatus for raising and supporting a building
4678373, Mar 27 1985 Perma-Jack Company Apparatus for and method of shoring a structure
4765777, Jun 29 1987 Apparatus and method for raising and supporting a building
4854782, Nov 25 1987 Hubbell Incorporated Apparatus for lifting structures
570370,
598418,
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 28 1990Central States Waterproofing of Missouri, Inc.(assignment on the face of the patent)
Jul 09 1992LADEK, FRANCIS P CENTRAL STATES WATERPROOFING OF MISSOURI, INC ASSIGNMENT OF ASSIGNORS INTEREST 0061940835 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule