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Portion of a retaining wall block
D546972 Portion of a retaining wall block

Patent Drawings:
Inventor: Price
Date Issued: July 17, 2007
Application: D/240,278
Filed: October 11, 2005
Inventors: Price; Brian A. (Rochester, MN)
Assignee: Mortarless Technologies, LLC (Rochester, MN)
Primary Examiner: Zarfas; Louis S.
Assistant Examiner: Andoll; Gregory
Attorney Or Agent: Patterson, Thuente, Skaar & Christensen, P.A.
U.S. Class: D25/113
Field Of Search: D25/112; D25/113; D25/114; D25/115; D25/116; D25/117; D25/118; D21/484; D21/485; D21/486; D21/487; D21/488; D21/489; D21/490; D21/499; D21/500; D21/501; D21/502; 405/15; 405/16; 405/33; 405/35; 405/284; 405/285; 405/286; 404/29; 404/30; 404/31; 404/32; 404/33; 404/34; 404/35; 404/36; 404/37; 404/38; 404/39; 404/40; 404/41; 404/42; 52/503; 52/504; 52/575; 52/596; 52/597; 52/598; 52/599; 52/603; 52/604; 52/605; 52/608; 52/612
International Class: 2501
U.S Patent Documents: 751346; 1526730; 1727362; 4123881; 4470728; 4592678; 4802320; 4909010; 4914876; 4920712; D317048; 5044834; 5064313; 5145288; 5163261; 5337527; 5405034; 5474405; 5484235; 5490363; 5511910; 5540525; 5551809; 5653558; 5673530; 5704183; 5709062; 5711129; 5795105; 5823709; 5827015; D405543; 5913790; 6113318; 6168353; 6168354; RE37278; 6336773; D459487; 6474036; 6536994; 6622445; 6641334; 6651401; 6652197; 6701687; 6792731; D497399; D501935; D508739; D509911; 7096635; D530832; 2005/0016106
Foreign Patent Documents: 54-107105; 54-107106; 59-167842
Other References: Brochure, Keysystem 1, Retaining Wall System, copyrighted 2000, pp. 1-8. cited by other.
Case Study, Water Application, Keystone Retaining Wall System, Upper Cumberland River Flood Project, copyrighted 2000, pp. 1-4. cited by other.
Case Study, Governmental Application, Keystone Retaining Wall System, Port of Seattle Terminal #5 & SW Harbor Reclamation, copyrighted 2000, pp. 1-4. cited by other.
Keystone, Retaining Wall System, The First to Last, copyrighted 1997, pp. 1-19. cited by other.

Abstract:
Claim: CLAIM The ornamental design for the portion of a retaining wall block, as shown and described.
Description: FIG. 1 is a front perspective bottom view of the ornamental portion of a retaining wall block;

FIG. 2 is a side elevational view of the portion of the central portion o9f the retaining wall block of FIG. 1;

FIG. 3 is a front elevational view of the portion of the retaining wall block of FIG. 1;

FIG. 4 is a top plan view of the portion of the retaining wall block of FIG. 1;

FIG. 5 is a bottom plan view of the portion of the retaining wall block of FIG. 1; and,

FIG. 6 is a rear elevational view of portion of the retaining wall block of FIG. 1.

The broken lines showing the front and rear surface of the portion of a retaining wall block are for illustrative purposes only and form no part of the claimed design.

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