Portable rumble strip

Patent 7731448 Issued on June 8, 2010. Estimated Expiration Date:

April 8, 2028. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventor

Fillie, Anthony

Application

No. 12099370 filed on 04/08/2008

US Classes:

404/15Vibration inducing member (e.g., road stud, speed bump)

Examiners

Primary: Hartmann, Gary S

Attorney, Agent or Firm

International Class

E01F 9/047

Abstract

A portable rumble strip that is adapted to conform to a roadway having a base portion, grips that adhere to the roadway, and a plurality of vibrators protruding away from the roadway. The vibrators are effective to cause a vibration in a tire when engaged by a moving vehicle and effectively alerting the driver of the vehicle.