(19)
(11)
EP 1 363 572 A2
(12)
(88)
Date of publication A3:
30.05.2003
(43)
Date of publication:
26.11.2003
Bulletin 2003/48
(21)
Application number:
02703252.3
(22)
Date of filing:
23.01.2002
(51)
International Patent Classification (IPC)
7
:
A61F
9/02
(86)
International application number:
PCT/US0202/347
(87)
International publication number:
WO 0205/8796
(
01.08.2002
Gazette 2002/31)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI
(30)
Priority:
23.01.2001
US 263593 P
(71)
Applicant:
KRANHOUSE, Jon
Pacific Palisades, CA 90272 (US)
(72)
Inventor:
KRANHOUSE, Jon
Pacific Palisades, CA 90272 (US)
(74)
Representative:
Dealtry, Brian
Eric Potter Clarkson,Park View House,58 The Ropewalk
Nottingham NG1 5DD
Nottingham NG1 5DD (GB)
(54)
SURFACE OPTICS FOR TWIN-DOMED DIVING MASKS