Propeller fan

- Sanyo Electric Co., Ltd.
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Description

FIG. 1 is a top, front, and right side perspective view of our design for a propeller fan;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a back side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

Referenced Cited
U.S. Patent Documents
13349 January 1912 Schlotter
1127143 February 1915 Wiedling
5437541 August 1, 1995 Vainrub
Patent History
Patent number: D419669
Type: Grant
Filed: Dec 22, 1998
Date of Patent: Jan 25, 2000
Assignee: Sanyo Electric Co., Ltd. (Osaka-fu)
Inventors: Mikiyasu Shinshi (Osaka-fu), Harutaka Genno (Osaka-fu), Morinobu Iijima (Osaka-fu), Yoshinori Toya (Osaka-fu), Tsuyoshi Rakuma (Osaka-fu)
Primary Examiner: Lisa Lichtenstein
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes LLP
Application Number: 0/98,185
Classifications
Current U.S. Class: Fan Or Ventilator Blade (D23/413); Fan Element (D23/411)
International Classification: 2304;