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Patent
   D661408
Priority
Sep 08 2011
Filed
Sep 08 2011
Issued
Jun 05 2012
Expiry
Jun 05 2026
Inventors
Riccobene,…
Assg.orig
Keystone R…
KEYSTONE R…
Assg.curr
Keystone R…
KEYSTONE R…
Entity
unknown
Referenced by
12
References
15
Maint.:
n/a
The ornamental design for a patio stone, as shown and described.

FIG. 1 is a perspective view of a patio stone showing my new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a side elevational thereof. All four sides are the same.

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a cross-sectional view thereof taken along line 5-5 of FIG. 2.

The dashed lines in FIGS. 1-5 represent unclaimed portions of the patio stone or define bounds of the claimed design and form no part of the claimed design.
INVENTORS:

Riccobene, Thomas S.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
9181714, Feb 28 2013 KEYSTONE RETAINING WALL SYSTEMS LLC Multi-textured or patterned exposed surface of a landscaping block, wall block, patio block and block system
D701325, Feb 28 2013 KEYSTONE RETAINING WALL SYSTEMS LLC Landscaping block
D701326, Feb 28 2013 KEYSTONE RETAINING WALL SYSTEMS LLC Landscaping block
D722707, Feb 28 2013 KEYSTONE RETAINING WALL SYSTEMS LLC Landscaping block
D725795, Feb 26 2014 KEYSTONE RETAINING WALL SYSTEMS LLC Landscaping block
D737465, Aug 29 2013 BORGERT PRODUCTS, INC Paver stone
D737466, Aug 29 2013 BORGERT PRODUCTS, INC Paver stone
D836407, Jun 12 2017 Coaster with plaster brick inlay
D913527, Oct 17 2018 SYNTHETEX, LLC Envelope for constructing a mat of spaced blocks
D914245, Oct 17 2018 SYNTHETEX, LLC Erosion control mat
ER701,
ER7223,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
5173003, Oct 31 1988 Interlocking slab element and ground surface cover
5902069, Feb 20 1996 F VON LANGSDORFF LICENSING LIMITED Artificial paving stone with identical spacer elements having a tooth and a tooth recess
6471440, Aug 17 1998 Paving stone
7393155, Sep 18 2003 KEYSTONE RETAINING WALL SYSTEMS, INC Irregular tessellated building units
20040250495,
199185,
21825,
D431871, Apr 29 1999 Paving stone
D451208, Jun 30 2000 Urbanstone Pty Ltd. Paver
D479340, Nov 21 2001 Solar stepping stone
D618364, Feb 11 2009 BonnieLines LLC Surface-covering element
62881,
D645980, Jan 09 2009 BonnieLines LLC Surface-covering element
D656244, Mar 01 2011 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
67919,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 08 2011Keystone Retaining Wall Systems, Inc.(assignment on the face of the patent)
Sep 08 2011RICCOBENE, THOMAS S KEYSTONE RETAINING WALL SYSTEMS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0268760286 pdf
Jan 19 2012KEYSTONE RETAINING WALLS SYSTEMS, INC KEYSTONE RETAINING WALL SYSTEMS LLCCONVERSION0277000169 pdf
Jun 13 2013KEYSTONE RETAINING WALL SYSTEMS LLCGOLDMAN SACHS LENDING PARTNERS LLCNOTICE OF GRANT OF SECURITY INTEREST IN PATENTS0306340040 pdf
Jun 13 2013CONTECH ENGINEERED SOLUTIONS LLCGOLDMAN SACHS LENDING PARTNERS LLCNOTICE OF GRANT OF SECURITY INTEREST IN PATENTS0306340040 pdf
Jun 13 2013IMBRIUM SYSTEMS LLCGOLDMAN SACHS LENDING PARTNERS LLCNOTICE OF GRANT OF SECURITY INTEREST IN PATENTS0306340040 pdf
Nov 15 2016GOLDMAN SACHS LENDING PARTNERS, LLCKEYSTONE RETAINING WALL SYSTEMS LLCRELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0406920055 pdf
Nov 15 2016KEYSTONE RETAINING WALL SYSTEMS LLCWells Fargo Bank, National Association, As AgentSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0408520143 pdf
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