Shouldn't they all have been hatched by now?? Lol...I couldn't resist...I think it takes like 6 to 8 weeks if you are talking about those pellet things..
How Long Does It Take For A Dinosaur Egg To Hatch?
There are no dinosaurs so it could never hatch, we know that elephants carry for around two years so a dinosaur of relative size could have carried a similar period. The birds of that time being of a size similar to a emu,ostrich may have laid eggs that took a similar period to hatch out, .