To withdraw from issue a utility or plant application, an applicant may wish to file a petition under 37 CFR 1.313(c)(2) with a RCE or under 37 CFR 1.313(c)(3) Revocation usually could be on any of the grounds that are set forth while evaluating a patent for grant.The key question in whether the claims were dropped with prejudice is whether they were poised for final disposition at the time they were dropped. This petition can be filed as an ePetition. The continuous digester system has an inlet defined therein for the feed of a chips suspension and an outlet for the output of a cooked suspension of pulp. The priority date of all matter (whether claimed or not) in an application is, prima facie, the date of filing of the application. The invention concerns an arrangement and a method for the continuous cooking of chemical cellulose pulp in a continuous digester system (100). Here's how to get a U.S. patent on your idea or invention without a lawyer. Follow these steps to do a patent search and file a patent application yourself. Second, fill out the patent application (a step that includes describing all aspects of your invention).