Patent
   D691750
Priority
Jan 04 2012
Filed
Jan 04 2012
Issued
Oct 15 2013
Expiry
Oct 15 2027
Assg.orig
Entity
unknown
47
18
n/a
The ornamental design for an led light tube, as shown and described.

FIG. 1 is a perspective view of an LED light tube showing my new design;

FIG. 2 is an enlarged, front elevational view of the LED light tube of FIG. 1 with a middle portion removed for ease of illustration;

FIG. 3 is an enlarged, rear elevational view of the LED light tube of FIG. 1 with the middle portion removed for ease of illustration;

FIG. 4 is an enlarged, left side elevational view of the LED light tube of FIG. 1 with the middle portion removed for ease of illustration;

FIG. 5 is an enlarged, right side elevational view of the LED light tube of FIG. 1 with the middle portion removed for ease of illustration;

FIG. 6 is an enlarged, top plan view of the LED light tube of FIG. 1 with the middle portion removed for ease of illustration;

FIG. 7 is an enlarged, bottom plan view of the LED light tube of FIG. 1 with the middle portion removed for ease of illustration; and,

FIG. 8 is a cross-sectional view taken along line 8-8 of the LED light tube of FIG. 2.

The shade lines show contour and not surface ornamentation. The broken lines are environmental and form no part of the claimed design.

Mackiewicz, Craig

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Jan 01 2012ALTAIR ENGINEERING, INC Ilumisys, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0279760906 pdf
Jan 03 2012MACKIEWICZ, CRAIGALTAIR ENGINEERING, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0274750208 pdf
Jan 04 2012iLumisys, Inc.(assignment on the face of the patent)
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