Dear Spirit Airlines, Boeing 727. Source: Champion_Air_727-2S7_LAX_N686CA.jpg: Aero Icarus derivative work: Altair78 I recently booked my first flight with you Spirit and was pleasantly surprised. You are the first airline I have seen to charge separately for carrying on a small sized suitcase. As a
March 16th marks the date where, amongst other changes, the US patent system, will assign priority to patents based upon their date of filing rather than the date of invention*. Until March 16th 2013, priority can be established with a permanent record of invention, witnessed and signed by a non-inventor.