ResourceShelf.com is is reporting that Google has registered a large number of coupon related domains, including the following names:

+ CouponGoogle.com
+ Google-Coupons.com
+ Couponsgoogle.net
++++ Note: CouponsGoogle.com is currently registered to a company in Washington state.
+ Google-Coupons.net
+ GoogleCoupon.net
+ googlecoupon.org
++++ Note: googlecoupon.com registered to a company in PA.
+ Coupongoogle.org
+ Couponsgoogle.org
++++ Note: googlecoupon.com registered to a company in PA.
+ Google-coupons.org

Google started letting site owners submit coupons through Google Maps back in August of 2006, and now it looks like they may have aims on taking a larger slice of the ever growing online coupon marketing field.