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Re: ARC patent

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "John Hansen" <john(at)geeknet(dot)com(dot)au>
Cc: "Zeugswetter Andreas DAZ SD" <ZeugswetterA(at)spardat(dot)at>,"Jan Wieck" <JanWieck(at)Yahoo(dot)com>, "Neil Conway" <neilc(at)samurai(dot)com>,"pgsql-hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: ARC patent
Date: 2005-01-17 21:17:08
Message-ID: 10668.1105996628@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
"John Hansen" <john(at)geeknet(dot)com(dot)au> writes:
>> Unfortunately no. The document that inspired me to adapt ARC for 
>> PostgreSQL is from the USENIX File & Storage Technologies 
>> Conference (FAST), March 31, 2003, San Francisco, CA.

> Ahemm,... Isn't the patent lodged on may 20, 2004, AFTER you read the document from the above conference?

No, the filing date was in 2002.  I'm not sure what the May/04 date means;
possibly the date of the last activity in that patent file?

			regards, tom lane

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