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Publication numberUSD568839 S1
Publication typeGrant
Application numberUS 29/276,360
Publication dateMay 13, 2008
Filing dateJan 23, 2007
Priority dateMay 17, 2004
Also published asUSD543160
Publication number276360, 29276360, US D568839 S1, US D568839S1, US-S1-D568839, USD568839 S1, USD568839S1
InventorsMasaru Mitsui, Shigekazu Matsui, Masao Ushida, Osamu Nagarekawa
Original AssigneeHoya Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Photomask blank
US D568839 S1
Abstract  available in
Images(7)
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Claims(1)
  1. The ornamental design for a photomask blank, as shown and described.
Description

FIG. 1 is a front elevational view of a photomask blank showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is an enlarged partial front view along line 77 in FIG. 1;

FIG. 8 is a reduced scale front, left side, top perspective view of the portion shown in FIG. 7; and,

FIG. 9 is a sectional view along line 99 in FIG. 7.

The broken line showing is for illustrative purposes only and forms no part of the claimed design.

Classifications
U.S. ClassificationD13/182