IP Library Granted Patent US 9,377,177
Granted Patent B2
US 9,377,177 · App. 14/136,597 · Granted Jun 28, 2016

Flexible photoluminescent light shield and diffuser

Inventor: Timothy D. F. Ford (Beaconsfield, CA)
Assignee: THE FLEWELLING FORD FAMILY TRUST
F21V13/02F21L4/00F21L4/027F21V3/04F21V9/16F21V17/007F21V17/14C08L2201/12F21V3/0463F21W2111/00F21Y2101/02
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Quick Facts
Patent No.
US 9,377,177
App. No.
14/136,597
Granted
Jun 28, 2016
Kind
B2
Abstract

A flexible photoluminescent shield/diffuser attachment for a portable light, the light comprising a light emitting end emitting light generally along an axis is shown. The attachment comprises an elongated hollow body fabricated from a pliable translucent photoluminescent material and having a shape memory. A first end of said hollow body is able to be secured to the light emitting end of the light coaxial with the axis.

Claims (8)

1. A method for marking a trail comprising:

illuminating a flashlight;

selecting one of a plurality of elongate cylindrical hollow bodies fabricated from a pliable translucent photoluminescent material having a shape memory;

energising said selected hollow body by placing said selected hollow body over a light emitting end of said flashlight for an energizing amount of time;

removing said energised hollow body from said light emitting end; and

discarding said energised hollow body at a location along the trail;

wherein said selecting, energising, removing and discarding are repeated at a plurality of locations along the trail.

2. The method of claim 1 , wherein said energizing amount of time is at least 20 seconds.

Assignments (2)
NUNC PRO TUNC ASSIGNMENT Recorded Oct 18, 2016
From: THE FLEWELLING FORD FAMILY TRUST
To: 9609385 CANADA INC.
Reel/Frame 040039/0081 →
NUNC PRO TUNC ASSIGNMENT Recorded Jan 28, 2014
From: FORD, TIMOTHY D.F.
To: THE FLEWELLING FORD FAMILY TRUST
Reel/Frame 032063/0760 →
Continuity (3)
Continuation In Part 12341125 · Dec 22, 2008
Provisional Application 61015758 · Dec 21, 2007
Related Publication 20140104810A1 · Apr 17, 2014