Patent
   D428659
Priority
Aug 12 1998
Filed
Aug 12 1998
Issued
Jul 25 2000
Expiry
Jul 25 2014
Assg.orig
Entity
unknown
2
4
n/a
The ornamental design for a lightpipe, as shown and described.

FIG. 1 is a perspective view of a lightpipe embodying the features of the design;

FIG. 2 is an opposite perspective view showing the roughened rectangular surfaces of the lightpipe thereof;

FIG. 3 is a front elevation thereof to a slightly smaller scale;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a plan view; and,

FIG. 6 is a right side elevation thereof drawn to a larger scale.

Brown, Michael, Chu, Pak-Jong, Sonderegger, Mark

Patent Priority Assignee Title
8178802, Jul 31 2008 Electrolux Home Products, Inc Unitized appliance control panel assembly and components of the assembly
8820992, May 23 2012 Ford Global Technologies, LLC Automotive headlamp assembly
Patent Priority Assignee Title
5418384, Mar 11 1992 Sharp Kabushiki Kaisha Light-source device including a linear array of LEDs
5613750, Nov 07 1994 Delphi Technologies Inc Fluorescent backlighting device for an instrument panel
5938324, Oct 07 1996 Cisco Technology, Inc Light pipe
6045249, Jan 19 1999 THE CHASE MANHATTAN BANK, AS COLLATERAL AGENT Twist-in light pipe
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 16 1998SONDEREGGER, MARKNorthern Telecom LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0093930479 pdf
Jul 16 1998CHU, PAK-JONGNorthern Telecom LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0093930479 pdf
Jul 27 1998BROWN, MICHAELNorthern Telecom LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0093930479 pdf
Aug 12 1998Nortel Networks Corporation(assignment on the face of the patent)
Apr 29 1999Northern Telecom LimitedNortel Networks CorporationCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0105670001 pdf
Aug 30 2000Nortel Networks CorporationNortel Networks LimitedCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0111950706 pdf
Jul 29 2011Nortel Networks LimitedRockstar Bidco, LPASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0271640356 pdf
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