Patent
   D782861
Priority
Oct 08 2014
Filed
Mar 03 2015
Issued
Apr 04 2017
Expiry
Apr 04 2031
Assg.orig
Entity
unknown
1
13
n/a
The ornamental design for grid spring assembly, as shown and described.

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
11191365, Oct 08 2014 FROLI KUNSTSTOFFWERK HEINRICH FROMME, INHABERIN MARGRET FROMME-RUTHMANN E KFR Arrangement with a plurality of spring elements for a cushion support
Patent Priority Assignee Title
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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
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//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 03 2015FROLI KUNSTSTOFFWERK HEINRICH FROMME INHABERINE MARGRET FROMME-RUTHMANN E. KFR.(assignment on the face of the patent)
Mar 23 2015FROMME-RUTHMANN, MARGRETFROLI KUNSTSTOFFWERK HEINRICH FROMME INHABERIN MARGRET FROMME-RUTHMANN E KFR ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0352870476 pdf
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