Evaporative cooler

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Portable

Design Patent

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Details

Design Patent

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D0503221

CLAIM:
We claim the ornamental design for an evaporative cooler, as shown and described.

REFERENCES:
patent: D183766 (1958-10-01), Petra
patent: D284999 (1986-08-01), Worthington et al.
patent: D293022 (1987-12-01), Butcher
patent: D294633 (1988-03-01), McBratney
patent: D342780 (1993-12-01), Pendergrast et al.
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patent: D407152 (1999-03-01), Colliver
patent: 5901656 (1999-05-01), Cheung
patent: D410855 (1999-06-01), Gordon
patent: D416993 (1999-11-01), Dong et al.
patent: D423656 (2000-04-01), De'Longhi
patent: D433111 (2000-10-01), Wright
patent: D448836 (2001-10-01), De' Longhi

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