Spiral tower fan
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The broken line showing of portions of the spiral tower fan is included for the purpose of illustrating environmental structure and forms no part of the claimed design.
Claims
The ornamental design for a spiral tower fan, as shown and described.
Type: Grant
Filed: Mar 12, 2010
Date of Patent: Jan 11, 2011
Assignee: Vornado Air LLC (Andover, KS)
Inventors: Glen W. Ediger (North Newton, KS), Gary P. Israel (Andover, KS)
Primary Examiner: Lisa P Lichtenstein
Attorney: Advent IP, P.C., L.L.O.
Application Number: 29/357,489