PTO Wrapper PDF
Dossier Espace Google
Patent
   D555808
Priority
Oct 11 2005
Filed
Oct 11 2005
Issued
Nov 20 2007
Expiry
Nov 20 2021
Inventors
Price, Ger…
Assg.orig
Rockwood R…
Assg.curr
Mortarless…
Entity
unknown
Referenced by
2
References
64
Maint.:
n/a
The ornamental design of the engagement projection of a retaining wall block, as shown and described.

FIG. 1 is a front perspective bottom view of the ornamental engagement projection of a retaining wall block;

FIG. 2 is a side elevational view of the engagement projection of FIG. 1;

FIG. 3 is a bottom plan view of the engagement projection of FIG. 1;

FIG. 4 is a front elevational view of the engagement projection of FIG. 1; and,

FIG. 5 is a rear elevational view of the engagement projection of FIG. 1.

The broken lines outlining a retaining wall block are for illustrative purposes only and form no part of the claimed design.
INVENTORS:

Price, Gerald P., Price, Raymond R., Price, Brian A.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D610712, Jun 19 2009 WESTBLOCK SYSTEMS, INC Portion of retaining block
ER2440,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1526730,
1727362,
2498276,
3953979, Sep 14 1973 Concrete wall blocks and a method of putting them together into a retaining wall
4123881, Aug 04 1967 Wall structure with insulated interfitting blocks
4470728, Jun 11 1981 WEST YORKSHIRE METROPOLITAN COUNTY COUNCIL, COUNTY HALL WAKEFIELD, WF1 2QW, ENGLAND A CORP OF Reinforced earth structures and facing units therefor
4592678, May 14 1984 Modular block retaining wall
4802320, Sep 15 1986 MELLON BANK, N A Retaining wall block
4909010, Dec 17 1987 Allan Block Corporation Concrete block for retaining walls
4914876, Sep 15 1986 MELLON BANK, N A Retaining wall with flexible mechanical soil stabilizing sheet
4920712, Jan 31 1989 KAROB CORPORATION Concrete retaining wall block, retaining wall and method of construction therefore
5044834, Jul 26 1990 ANCHOR WALL SYSTEMS, INC Retaining wall construction and blocks therefor
5064313, May 25 1990 JAGNA LIMITED Embankment reinforcing structures
5145288, Sep 13 1990 Mortarless retaining wall
5163261, Mar 21 1990 Retaining wall and soil reinforcement subsystems and construction elements for use therein
5337527, Feb 09 1993 Building block
5474405, Mar 31 1993 TERRE ARMEE INTERANTIONALE Low elevation wall construction
5484235, Jun 02 1994 T & B STRUCTURAL SYSTEMS, INC ; T & B Structural Systems, LLC Retaining wall system
5490363, Oct 06 1992 Anchor Wall Sytems, Inc. Composite masonry block
5505034, Nov 02 1993 Pacific Pre-Cast Products, Ltd. Retaining wall block
5511910, Oct 29 1993 Connector and method for engaging soil-reinforcing grid and earth retaining wall
5540525, Jun 06 1994 GENERAL ELECTRIC CAPITAL CORPORATION, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT Modular block retaining wall system and method of constructing same
5551809, Aug 30 1994 MELLON BANK, N A Embankment wall construction and method and block construction for making the same
5653558, Nov 29 1993 ANCHOR WALL SYSTEMS, INC Retaining wall block
5673530, Jan 25 1996 WILMINGTON TRUST, NATIONAL ASSOCIATION Modular block retaining wall system
5704183, May 04 1993 Anchor Wall Systems, Inc. Composite masonry block
5709062, Oct 06 1992 Anchor Wall Systems, Inc. Composite masonry block
5711129, Oct 06 1992 Anchor Wall Systems, Inc. Masonry block
5795105, Oct 06 1992 ANCHOR WALL SYSTEMS, INC Composite masonry block
5823709, Jul 09 1996 WILMINGTON TRUST, NATIONAL ASSOCIATION Interconnected block system
5827015, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
5913790, Jun 07 1995 MELLON BANK, N A Plantable retaining wall block
6019550, May 21 1996 AMERICAN CAPITAL, LTD SUCCESSOR BY MERGER TO AMERICAN CAPITAL FINANCIAL SERVICES, INC Modular block retaining wall construction
6113318, Oct 06 1992 Anchor Wall Systems, Inc. Composite masonry block
6168353, Aug 27 1998 ANCHOR WALL SYSTEMS, INC Retaining wall and method of wall construction
6168354, May 14 1999 Retaining wall block having a locking shear key for residing between respective adjacent sides of like blocks in an adjacent upper or lower course
6336773, Mar 31 1993 TERRE ARMEE INTERANTIONALE Stabilizing element for mechanically stabilized earthen structure
6471440, Aug 17 1998 Paving stone
6474036, May 14 1999 Retaining wall block
6536994, Jul 12 2001 Keystone Retaining Wall Systems, Inc.; KEYSTONE RETAINING WALL SYSTEMS, INC Grooved retaining wall block and system
6622445, Nov 20 2001 RidgeRock Retaining Walls, Inc.; RIDGEROCK RETAINING WALLS, INC Modular wall block with mechanical anchor pin
6641334, Oct 06 1992 Anchor Wall Systems, Inc. Composite masonry block
6651401, Mar 02 2001 Mortarless Technologies LLC Retaining wall and method of wall construction
6652197, Feb 12 1999 SCR-STI, LLC Interlocking segmental retaining wall
6701687, May 08 2003 Ridgerock Retaining Walls Inc. Modular wall block with mechanical course connector
6792731, Oct 11 2001 Allan Block Corporation Reinforcing system for stackable retaining wall units
7096635, Mar 02 2001 Mortarless Technologies LLC Multiuse block and retaining wall
751346,
20050016106,
D317048, May 14 1986 KEYSTONE RETAINING WALL SYSTEMS, INC , 7600 FRANCE AVE , SOUTH, EDINA, MN 55435, A CORP OF MN Wall block
D370272, Mar 23 1995 JAGNA LIMITED Retaining wall block
D405543, Oct 17 1996 Wall block
D451615, Jun 01 2001 SPIRIT OF AMERICA CORP Wood guard rail blockout protector and safety delineator
D459487, Jul 26 2001 Allan Block Corporation Landscape block
D497399, May 20 2003 Mattel, Inc. Cap for a block
D501935, Jul 21 2003 KEYSTONE RETAINING WALL SYSTEMS, INC Wall block
D508739, Sep 24 2004 Construction block
D509911, Sep 24 2004 Construction block faces
D530832, Aug 30 2005 EARTH WALL PRODUCTS, LLC Block design for retaining wall
D540478, May 19 2006 Mortarless Technologies LLC Stackable wall block
JP54107105,
JP54107106,
JP59167842,
RE37278, Sep 15 1986 Keystone Retaining Wall Systems Retaining wall block
ASSIGNMENT RECORDS    Assignment records on the USPTO
//////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 12 2005PRICE, RAYMOND R Rockwood Retaining Walls, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0167060517 pdf
Sep 12 2005PRICE, GERALD P Rockwood Retaining Walls, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0167060517 pdf
Sep 12 2005PRICE, BRIAN A Rockwood Retaining Walls, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0167060517 pdf
Oct 11 2005Mortarless Technologies, LLC(assignment on the face of the patent)
Feb 06 2007Rockwood Retaining Walls, IncMortarless Technologies LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0191160834 pdf
Jun 25 2009Mortarless Technologies LLCHOME FEDERAL SAVINGS BANKSECURITY AGREEMENT0229020555 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule