Whistle structures

Details Whistle structures Whistle structures

2008-05-13

2008-05-13

Smith, Richard (Department: 2859)

Signals and indicators

Periodic

Animal frightening devices

C116S13700R, C340S384100

Reexamination Certificate

active

11283976

ABSTRACT:
Devices that emit sound audible to nearby animals can include a deflection structure or other support structure and, connected to it, at least one whistle structure. The deflection structure can, for example, be a rain guard, an insect deflector, or a rock deflector. It can, for example, have an air flow surface across which air flows when the vehicle on which it is mounted moves at normal operating speeds, and whistle structures can be activated by the air flow.

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