Multi-ply cookware with copper-aluminum-stainless steel

Details Multi-ply cookware with copper-aluminum-stainless steel Multi-ply cookware with copper-aluminum-stainless steel

2011-06-14

2011-06-14

Zimmerman, John J (Department: 1784)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C428S654000, C428S673000, C428S685000, C220S573100

Reexamination Certificate

active

07960034

ABSTRACT:
Multi-ply composite cookware consisting of different metal combinations to include the beauty of copper on the exterior coupled with its excellent heat distribution/conductivity properties within the interior to provide thermally efficient, durable and cosmetically pleasing cookware. In several embodiments of the present invention, a layer of silver is also preferably employed in the interior thereof between adjacent aluminum layers to further improve thermal conductivity.

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