Love rebates or hate rebates?

I ordered this phone of mine from T-M. The phone suggested retail is 219 bucks, 100 bucks mail-in-rebate. I saved 119 for upgrading my contract.

When my phone was arrived and saw this form "Mail-in-rebate" date saying from September 1-30 you can get this 100 dollar mail in rebate, if I ordered the phone from September 1-30 then I can get the 100 dollar mail-in-rebate but if I ordered the phone October 1 or something, I don't know if I can still get the rebates or not. Now, I forgot when I ordered my phone. I don't have reciept and now I am worried if I could get my 100 dollar rebate or not. I am waiting for our bill to come so I could see when exactly I ordered my phone.

Hubby hates rebates and I am starting to hate rebates too..