PTO
Wrapper
PDF
Dossier
Espace
Google
Patent
D623450
Priority
Aug 05 2008
Filed
Feb 04 2009
Issued
Sep 14 2010
Expiry
Sep 14 2024
Assg.orig
Entity
unknown
0
14
n/a
I claim the ornamental design for a collapsible foundation core for mattress, as shown and described.
FIG. 1 is a perspective view of my design for a collapsible foundation core for mattress;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is an elevated front view thereof;
FIG. 5 is an elevated back view thereof;
FIG. 6 is an elevated right side view thereof; and,
FIG. 7 is an elevated left side view thereof.
Mantzis, George
Patent
Priority
Assignee
Title
Patent
Priority
Assignee
Title
4100631 ,
May 13 1976
Box-spring assembly
4236262 ,
Jan 31 1979
Spiller Spring Company
Support grid and spring unit for a box spring foundation unit
4377279 ,
Jul 07 1980
Steadley Company
Steel wire foundation
4771995 ,
Apr 15 1987
Leggett & Platt, Incorporated
Collapsible box spring
4867424 ,
Sep 23 1988
L&P Property Management Company
Box spring with wire columns and partial coils
5052064 ,
Dec 18 1990
Leggett & Platt Incorporated
Stackable bedding foundation
6108834 ,
Mar 13 1997
International Sleep Creations, Inc.
Unitary body bedding foundation
6578213 ,
Dec 08 2000
L&P Property Management Company
Stackable bedding foundation
6651276 ,
Aug 10 2001
Hickory Springs Manufacturing Company
Floating slat frame for a mattress foundation
20030028963 ,
20050251911 ,
20060123541 ,
20060156470 ,
D544284 ,
Oct 11 2005
Mattress frame
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a