(19)
(11)
EP 2 483 216 A1
(12)
(43)
Date of publication:
08.08.2012
Bulletin 2012/32
(21)
Application number:
10765710.8
(22)
Date of filing:
30.09.2010
(51)
International Patent Classification (IPC):
C03C
21/00
(2006.01)
G06F
3/041
(2006.01)
(86)
International application number:
PCT/US2010/050823
(87)
International publication number:
WO 2011/041484
(
07.04.2011
Gazette 2011/14)
(84)
Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
(30)
Priority:
30.09.2009
US 247493 P
(71)
Applicant:
Apple Inc.
Cupertino, CA 95014 (US)
(72)
Inventors:
PREST, Christopher
San Francisco CA 94114 (US)
ZADESKY, Stephen Paul
Portola Valley CA 94028 (US)
(74)
Representative:
Gillard, Matthew Paul et al
Withers & Rogers LLP 4 More London Riverside
London SE1 2AU
London SE1 2AU (GB)
(54)
TECHNIQUES FOR STRENGTHENING GLASS COVERS FOR PORTABLE ELECTRONIC DEVICES