Patent
   D349120
Priority
Nov 27 1991
Filed
Nov 27 1991
Issued
Jul 26 1994
Expiry
Jul 26 2008
Assg.orig
Entity
unknown
6
11
n/a
The ornamental design for a open seam friction rock stabilizer, as shown and described.

FIG. 1 is a front elevational view of a open seam friction rock stabilizer showing my design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is back elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top front perspective view thereof.

Landsberg, Thomas J.

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Patent Priority Assignee Title
3922867,
4012913, Oct 03 1975 Friction rock stabilizers
4126004, Aug 04 1977 Ingersoll-Rand Company Friction rock stabilizer
4310266, Mar 10 1980 Ingersoll-Rand Company Friction rock stabilizer and method of inserting same in an earth structure bore
4313695, Jan 07 1980 Ingersoll-Rand Company Earth structure stabilizing method, and a friction rock stabilizer and an axial extension therefor
4316677, Mar 07 1980 Tubular shank device
4322183, Mar 07 1980 Friction rock stabilizer and installation lubricating cement apparatus and method
4400113, Jun 13 1980 Ingersol-Rand Company Friction rock stabilizer and a method of isolating the same from a bore surface
4490074, Jan 12 1982 Ingersoll-Rand Company Friction rock stabilizer and sheathing means, in combination, and method of securing a friction rock stabilizer in an earth bore
AU514153,
RE30256, Feb 09 1973 Deborah L., Castle; Wendy 0., Carter; Amu J., Sansotta; Edna M., Scott, trustee for Polly Sue Scott and James Mathew Scott Friction rock stabilizers
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 21 1991LANDSBERG, THOMAS J Simmons-Rand CompanyASSIGNMENT OF ASSIGNORS INTEREST 0059860349 pdf
Nov 27 1991Ingersoll-Rand Company(assignment on the face of the patent)
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
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