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The ornamental design for a top portion of a mattress 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.
Patent | Priority | Assignee | Title |
Patent | Priority | Assignee | Title |
195676, | |||
3264660, | |||
4609186, | Jun 28 1982 | Spuhl AG | Mattress spring core with open ended coils |
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 | |
29631, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 02 1996 | L&P Property Management Company | (assignment on the face of the patent) | / | |||
Apr 02 1996 | WELLS, THOMAS J | L&P Property Management Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007912 | /0427 |
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