Top portion of a spring core

Details Top portion of a spring core Top portion of a spring core

2006-09-19

2006-09-19

Seeger, Janice E. (Department: 2913)

Design Patent

active

D0528330

CLAIM:
The ornamental design for a top portion of a spring core, as shown and described.

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patent: 5699999 (1997-12-01), Wells
patent: 6375169 (2002-04-01), McCraw et al.

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