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Patent
D782861
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Priority
Oct 08 2014
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Filed
Mar 03 2015
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Issued
Apr 04 2017
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Expiry
Apr 04 2031
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Assg.orig
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Entity
unknown
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1
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13
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n/a
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The ornamental design for grid spring assembly, as shown and described.
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FIG. 1 is a top perspective view of grid spring assembly showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a side elevation view thereof;
FIG. 5 is a front elevation view thereof; and,
FIG. 6 is a bottom perspective view thereof.
Fromme-Ruthmann, Margret
Patent |
Priority |
Assignee |
Title |
1382594, |
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|
|
5588165, |
Nov 10 1993 |
Senne Lizenz & Produkte GmbH |
Cushioning assembly having plastic springs for supporting a pad |
6427990, |
Mar 10 2000 |
|
Spring body |
7740321, |
May 12 2006 |
MILLERKNOLL, INC |
Suspended pixelated seating structure |
7931257, |
Oct 23 2003 |
MILLERKNOLL, INC |
Multilayer load bearing structure |
8185988, |
Apr 11 2008 |
SOMNIUM, INC |
Grid spring mattress |
9097308, |
May 24 2011 |
TOURNADRE SA STANDARD GUM |
Cushion or mattress suspension element |
9119478, |
Nov 20 2012 |
Dreamwell, Ltd. |
Dual-spring plunger for a plunger matrix mattress |
20050116526, |
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20080189868, |
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20110179580, |
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20140137335, |
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20140215722, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a