On January 19, 1999, at 1400 central standard time, a Luscombe 8A, N2197B, operated by a private pilot nosed over upon contacting a snowbank following a loss of directional control during landing roll on runway 29 (3,800'x100') at the Schaumburg Regional Airport, Schaumburg, Illinois. The pilot and passenger were not injured. The airplane was substantially damaged. The 14 CFR Part 91 personal flight was operating in visual meteorological conditions without a flight plan. The local flight originated from the Schaumburg Regional Airport, at about 1330 cst. The pilot stated that the airplane started to drift to the left during the landing roll. He stated he attempted to applied right brake and rudder, but his foot slipped off the brake. He stated the airplane entered a "violent left turn" prior to him reapplying the right brake. The pilot stated the airplane responded to the brake input, but not enough to avoid the snowbank. The airplane contacted the snowbank and nosed over.