Electric lamp and discharge devices – With gas or vapor – Having particular electrode structure
Reexamination Certificate
2011-08-16
2011-08-16
Patel, Vip (Department: 2889)
Electric lamp and discharge devices
With gas or vapor
Having particular electrode structure
C313S491000
Reexamination Certificate
active
07999475
ABSTRACT:
A short arc type discharge lamp has a pair of electrodes, at least one of which has an electrode body and an axis part. A taper part is formed at a base side of the electrode body. Plural holes extending in an axis direction of the electrode in line are formed at the taper part.
REFERENCES:
patent: 2008/0315771 (2008-12-01), Tsukamoto et al.
patent: 2009/0195158 (2009-08-01), Nagamachi et al.
patent: 2008-282554 (2008-11-01), None
patent: 2010218724 (2010-09-01), None
Ishikawa Hirohisa
Kumada Toyohiko
Nagamachi Nobuhiro
Patel Vip
Rader & Fishman & Grauer, PLLC
Ushio Denki Kabushiki Kaisha
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