Helicopter propeller

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Description

FIG. 1 is a top view of a helicopter propeller;

FIG. 2 is a side view of the helicopter propeller;

FIG. 3 is a perspective side view of the helicopter propeller; and,

FIG. 4 is an opposite perspective side view of the helicopter propeller.

Broken lines are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a helicopter propeller, as shown and described.

Referenced Cited
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Patent History
Patent number: D546269
Type: Grant
Filed: Dec 20, 2006
Date of Patent: Jul 10, 2007
Assignee: Silverlit Toys Manufactory, Ltd. (Hong Kong)
Inventors: Alexander Jozef Magdalena Van de Rostyne (Bornem), Chi Pok Billy Wai (Quarry Bay)
Primary Examiner: Ian Simmons
Assistant Examiner: Maurice Stevens
Attorney: Greenberg Traurig, LLP
Application Number: 29/275,322