Alignment markings for lens blanks

- National Optronics, Inc.
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Description

FIG. 1 is a front view of alignment markings of our design displayed on a display, the broken line drawing of the display, lens blank, and finished lens shape is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front view of the alignment markings of FIG. 1 displayed on the display in a second orientation; and,

FIG. 3 is a front view of the alignment markings of FIG. 1 displayed on the display in a third orientation.

Claims

The ornamental design for alignment markings for lens blanks, as shown and described.

Referenced Cited
U.S. Patent Documents
4229911 October 28, 1980 Bicskei
Patent History
Patent number: D519134
Type: Grant
Filed: Oct 29, 2004
Date of Patent: Apr 18, 2006
Assignee: National Optronics, Inc. (Charlottesville, VA)
Inventors: Daniel E Andrews (Charlottesville, VA), Jennifer Snyder Shanks (Charlottesville, VA)
Primary Examiner: Antoine D. Davis
Attorney: Berenato, White & Stavish, LLC
Application Number: 29/216,112
Classifications
Current U.S. Class: Element Or Attachment (D15/126)