Back construction

Design Patent

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Design Patent

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29230389

CLAIM:
We claim the ornamental design for a back construction, as shown and described.

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Exhibit A is a print-out from a website “cgi-ebay.com” disclosing an antique chair by designer, Hans J. Wegner, having a back cushion supported by spaced-apart back uprights and apparently having strips extending therebetween.
Chair. Soho Today. Apr. 2002.
Meda Executive Chair. Design within Reach.

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