Yes, this offer is no longer available thank you chadsjoy for mentioning it but the OP may be letting people know that if you made purchases during that time with that amount that there is a rebate available.
Here is a little more info:
Requests must be postmarked by 1/2/09. All requests postmarked
prior to 12/8/08 will be mailed before Christmas.
- Claims postmarked after this date will not be honored.
2. Limit one mail-in submission per household.
3. Please allow 6-8 weeks for processing.