Lighting unit
Engel May 2, 2
U.S. patent number D520,172 [Application Number D/226,095] was granted by the patent office on 2006-05-02 for lighting unit. Invention is credited to Hartmut S. Engel.
| United States Patent | D520,172 |
| Engel | May 2, 2006 |
| **Please see images for: ( Certificate of Correction ) ** |
Lighting unit
Claims
CLAIM The ornamental design for a lighting unit, as shown and described.
| Inventors: | Engel; Hartmut S. (Ludwigsburg, DE) |
|---|---|
| Appl. No.: | D/226,095 |
| Filed: | March 23, 2005 |
Related U.S. Patent Documents
| Application Number | Filing Date | Patent Number | Issue Date | ||
|---|---|---|---|---|---|
| 29208673 | Jun 30, 2004 | ||||
| 29146845 | Aug 20, 2001 | D493244 | |||
| Current U.S. Class: | D26/76; D26/88 |
| Current International Class: | 2603 |
| Field of Search: | ;D26/72,75-79 ;362/217-225 |
References Cited [Referenced By]
U.S. Patent Documents
| D121590 | July 1940 | Heath |
| D123757 | December 1940 | Dreyfuss |
| D128961 | August 1941 | Hrabak |
| D194063 | November 1962 | Whitley |
| D292322 | October 1987 | Krol |
| D330268 | October 1992 | Jaksich |
Other References
|
Architectural Record, Aug. 1963, p. 66, "Troffer" fixture in center right of page. cited by examiner . Miller Lighting Catalog 1964/1965 , p. 10, "Permilux Dropped Dish Diffuser" in lower half of photo. cited by examiner. |
Primary Examiner: Heflin; Clare E
Attorney, Agent or Firm: Townsend and Townsend and Crew LLP
Description
FIG. 1 is a bottom perspective view of a lighting unit showing my new design;
FIG. 2 is an end view of the lighting unit of FIG. 1, the other end being a mirror image thereof;
FIGS. 3 and 4 are bottom and top views of the lighting unit of FIG. 1;
FIG. 5 is a generally longitudinal side view of the lighting unit of FIG. 1, the other longitudinal side being a mirror image thereof; and,
FIGS. 6 and 7 are upper perspective views of the lighting unit of FIG. 1.
The broken lines shown on the drawings are for illustrative purposes only and form no part of the claimed design.
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