Patent
   D340176
Priority
Dec 09 1991
Filed
Dec 09 1991
Issued
Oct 12 1993
Expiry
Oct 12 2007
Assg.orig
Entity
unknown
1
8
n/a
The ornamental design for a friction rock stabilizer, as shown and described.

FIG. 1 is a perspective view of a friction rock stabilizer showing my design;

FIG. 2 is a right side elevational view of the design of FIG. 3;

FIG. 3 is back elevational view of the design of FIG. 1;

FIG. 4 is a left side elevational view of the design of FIG. 3;

FIG. 5 is a front elevational view of the design of FIG. 1;

FIG. 6 is a top plan view of FIG. 3; and,

FIG. 7 is a bottom plan view of FIG. 3.

Landsberg, Thomas J.

Patent Priority Assignee Title
7597504, Dec 21 2004 Blocks for modular wall construction
Patent Priority Assignee Title
4069677, Jun 20 1975 Kabushiki Kaisha Nitto Tekuno Group Anchor and method for constructing same
4316677, Mar 07 1980 Tubular shank device
4322183, Mar 07 1980 Friction rock stabilizer and installation lubricating cement apparatus and method
4650373, Nov 14 1985 Rock bolt construction and installation
4661022, Nov 14 1985 Rock bolt structure and installation
4666345, Nov 14 1985 Rock bolt structure
4954017, Nov 10 1980 The Curators of the University of Missouri Expansion bolt and mine roof reinforcement
AT514153,
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 27 1991LANDSBERG, THOMAS J Simmons-Rand CompanyASSIGNMENT OF ASSIGNORS INTEREST 0059400318 pdf
Jun 01 1993Simmons-Rand CompanyIngersoll-Rand CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065810881 pdf
Jan 28 2002INGERSOLL-RAND COMPANY, INC INTERNATIONAL ROLLFORMS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0126830138 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule