4 ms·
> Oddly enough, that patent apparently expired today? Not anymore, maybe they are reading HN as well :-) 2023-09-15 - Adjusted expiration > 2019-12-09 -
by guessmyname 7y ago
> Oddly enough, that patent apparently expired today?
Not anymore, maybe they are reading HN as well :-)
2023-09-15 - Adjusted expiration
> 2019-12-09 - Application status is Expired - Fee Related
2005-09-20 - Publication of US6947978B2
2005-09-20 - Application granted
2002-07-04 - Publication of US20020087666A1
2000-12-29 - Assigned to GOVERNMENT OF THE UNITED STATES, AS REPRESENTED BY DIR. NAT. SECURITY AGENCY, THE NSA GENERAL COUNSEL (IP&T)
2000-12-29 - Priority to US09/752,898
2000-12-29 - Application filed by National Security Agency