US Plant Patent PP18133

Elton Knight

Echinacea plant named ‘Elton Knight’

PUBLIC DOMAIN

Patent expired June 11, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on April 26, 2026. This patent earned 46 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18133, the photograph of Elton Knight printed in the patent. — Figure 1 from US Plant Patent PP18133, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number: PP18133
Filed: April 26, 2006
Granted: October 23, 2007
Expires: June 11, 2026
Assignee: BROOKS ANTHONY
Inventor: BROOKS ANTHONY

Abstract

A new and distinct cultivar of Echinacea plant named ‘Elton Knight’ characterized by a compact habit, multi-branched stems, horizontal ray florets, and a bright magenta flower color.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A new and distinct variety of Echinacea plant named ‘Elton Knight’ as described and illustrated herein.

Read the full patent: US Plant Patent PP18133 in full — the complete specification, every figure, and the file history.