Art Alexion on 2 Mar 2009 04:59:35 -0800 |
On Monday 02 March 2009 06:07:16 Art Alexion wrote: > On Monday 02 March 2009 05:49:31 Bob Schwier wrote: > > Didn't the older non-MS DOS's like Dr. DOS use fat? > > Seems like one could not suddenly decide that something is patented that > > has been in the public domain for 25 years. > > Trademarks work that way. It is up to the owner to protect or lose them. > Not sure if the intermediately protected copyrights or the more highly > protected patents work that way. This (http://www.uspto.gov/web/offices/pac/mpep/documents/0700_711.htm) seems to suggest that pending applications can be abandoned, but doesn't speak to existing patents. Attachment:
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