Asfor new patents based upon earlier designs, they can obtained if the newdesign change is greater than 20%. Meaning that the owner of the patent relinquishesall claims henceforth, therefore making it available to the public. Also, if the owner of a current patent does not file a claimof infringement within the statute of limitations (6 years in USA) toprotect an existing patent, the patent then becomes an Abandoned Patent (prima-facie). A noteon Patents:After a period of 16 years (depending upon when the patent claim wasfiled, when it was accepted, the country in which it was filed), apatent will expire allowing anyone within the market to copy itexactly. HISTORY OF THEFLEXIBLE Delrin® PANEL SADDLE - all TESTED and inUSE since 1986!The SystemsBy: Cathy Sheets TauerThe patent numbers, dates, along with specific details on the varioussystems were obtained during one-on-one interviews with Cathy from HillView Farms and other developers/owners on their own products.
