The Menace of Privilege » imaginary property http://menaceofprivilege.com While privilege exists, justice can't be achieved. Thu, 09 Feb 2012 22:53:47 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Lava Lamps patent-free too? http://menaceofprivilege.com/2008/07/lava-lamps-patent-free-too/ http://menaceofprivilege.com/2008/07/lava-lamps-patent-free-too/#comments Tue, 01 Jul 2008 21:41:36 +0000 taxpayer http://taxpayer.wordpress.com/?p=149 A sidebar in today’s Chicago Tribune certainly implies that, like Coca-Cola, lava lamps are manufactured without patent protection, but as a trade secret.  Invented in 1963, the lava lamp’s patent would long since have expired (tho lawyers seem to know ways to effectively extend such things).

btw, the manufacturer says it isn’t officially called a “lava lamp,” but rather a “Lava brand motion lamp.”

]]> http://menaceofprivilege.com/2008/07/lava-lamps-patent-free-too/feed/ 0