Dual cam cartridge based feature for unlocking a surgical stapler lockout

A surgical stapling assembly, comprising:

• a surgical stapling device, comprising:
• a first jaw;
• a second jaw movable relative to said first jaw between an open position and a closed position;
• a firing member movable between a starting position and an ending position during a staple firing stroke;
• and
• a lockout movable between a locked position wherein said lockout prevents operation of said surgical stapling device and an unlocked position wherein said surgical stapling device is operable, and wherein said surgical stapling assembly further comprises:
• a staple cartridge, comprising:
• a cartridge body sized to be longitudinally seated in one of said first and second jaws;
• a first cam surface on said staple cartridge, wherein said first cam surface is configured to move said lockout from said locked position to an intermediate lateral position between said locked and said unlocked positions when said staple cartridge is initially inserted into said one of said first and second jaws;
• and
• a second cam surface on said staple cartridge, wherein said second cam surface is configured to move said lockout laterally from said intermediate position to said unlocked position when said staple cartridge is fully seated in said surgical stapling device and wherein said first cam surface is proximal to said second cam surface.