Patent 4368553 Issued on January 18, 1983. Estimated Expiration Date: April 3, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
A light weight portable ramp for permitting wheeled devices to be pulled over curbs and the like by one man, having a ramp surface angled to facilitate entry of the truck onto the ramp and an integral handle and stop member thereon for securely positioning the ramp with respect to the curb or the like.