U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Tactile safety guidance system for low visibility situations

Patent 6025773 Issued on February 15, 2000. Estimated Expiration Date: Icon_subject January 4, 2019. 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.

Patent References

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Inventor: Phillips

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Inventor: Schriever

Phosphorescent escape route indicator
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Inventor: Britt ,   et al.

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Patent #: 5309863
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Tactiovisual exit finding system for aircraft cabins and the like
Patent #: 5331918
Issued on: 07/26/1994
Inventor: Honigsbaum

Tactile last-step indicator for stair safety
Patent #: 5626094
Issued on: 05/06/1997
Inventor: Jeffery, et al.

Illuminated safety guide Patent #: 5775016
Issued on: 07/07/1998
Inventor: Chien

Inventor

Application

No. 225088 filed on 01/04/1999

US Classes:

340/407.1, TACTUAL INDICATION52/177, SPECIFIED WEAR OR FRICTION-TYPE TRAFFIC-CARRYING SURFACE116/205, By touch340/326, Plural (e.g., concurrent auxiliary) single indications (e.g., light flashes when bell rings)340/331, Periodic or flashing340/332, Signal light systems340/691.4Plural

Examiners

Primary: Wu, David W.

Attorney, Agent or Firm

International Class

H04B 003/36

Abstract

A tactile safety guidance system for hallway and corridor systems for use in low visibility situations by an individual in a prone position, the guidance system having a plurality of first tactile directional symbols in linear spaced apart relationship positioned on the wall of a corridor proximate the floor and identifying the direction in which an individual should proceed in order to reach an emergency exit, a second tactile directional symbol positioned on the floor of an intersecting corridor indicating the direction in which the individual should proceed at the intersecting corridor in order to reach an emergency exit and a third tactile directional symbol positioned on the emergency exit proximate the floor and in vertical alignment with the opening mechanism of the emergency exit identifying to the individual the location of the emergency exit and opening mechanism.

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