Patent
   D382741
Priority
Mar 15 1996
Filed
Mar 15 1996
Issued
Aug 26 1997
Expiry
Aug 26 2011
Assg.orig
Entity
unknown
11
17
n/a
The ornamental design for a top portion of a spring core, as shown and described.

FIG. 1 is a top plan view of a top portion of a spring core, showing my new design;

FIG. 2 is an enlarged view taken from section 2 of FIG. 1;

FIG. 3 is a side elevational view;

FIG. 4 is an enlarged view taken from section 4 of FIG. 3;

FIG. 5 is an elevational view, showing the side opposite that shown in FIG. 3;

FIG. 6 is an enlarged view taken from section 6 of FIG. 5;

FIG. 7 is an end elevational view;

FIG. 8 is an enlarged view taken from section 8 of FIG. 7;

FIG. 9 is an end elevational view showing the end opposite that shown in FIG. 7; and,

FIG. 10 is an enlarged view taken from section 10 in FIG. 9.

The broken lines are for environmental purposes only and form no part of the claimed design.

Eigenmann, Guido

Patent Priority Assignee Title
8429772, Jun 09 2005 L&P Property Management Company Coil spring having unknotted end turns with bumps
8429779, Jun 09 2005 L&P Property Management Company Bedding or seating product made with coil springs having unknotted end turns with bumps
8893388, Jun 09 2005 L&P Property Management Company Method of making spring core for a bedding or seating product
D527932, Jun 09 2005 L&P Property Management Company Top portion of a spring core
D528329, Jun 09 2005 L&P Property Management Company Top portion of a spring core
D528330, Jun 09 2005 L&P Property Management Company Top portion of a spring core
D528833, Jun 09 2005 L&P Property Management Company Top portion of a spring core
D530120, Jun 09 2005 L&P Property Management Company End portion of a coil spring
D531436, Jun 09 2005 L&P Property Management Company End portion of a coil spring
D574168, Jul 10 2007 L&P Property Management Company End portion of a coil spring
D575564, Jul 10 2007 L&P Property Management Company Top portion of a spring core
Patent Priority Assignee Title
1337320,
1744389,
1798885,
1887058,
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1938489,
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4609186, Jun 28 1982 Spuhl AG Mattress spring core with open ended coils
4726572, May 16 1986 SEALY TECHNOLOGIES LLC Spring coil and spring assembly
4781360, Dec 07 1987 L & P Property Management Company; Leggett & Platt, Incorporated Spring assembly with helical coils of spring wire with unknotted ends
4817924, Sep 20 1983 Spring core for a mattress
664756,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 11 1996EIGENMANN, GUIDOL&P Property Management CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078900381 pdf
Mar 15 1996L&P Property Management Company(assignment on the face of the patent)
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