An immediate improvement filed by Seth Wheeler, which was granted on December 22, 1891, as patent number US465588A. In Wheeler's improved patent for toilet paper he described the idea of perforated toilet paper on a roll.
Format of a Patent Application The Specification. The Title. The Description. The Claims. The Drawings. The Abstract. Sample Specifications. Minimum Requirements for a Filing Date.
Utility patent application: may be filed by anyone who invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof.