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The Patent Garden

US Plant Patent PP15906

Yodragon

Aster plant named ‘Yodragon’

PUBLIC DOMAIN

Patent expired June 28, 2024. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on April 5, 2024. This patent earned 84 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP15906, the photograph of Yodragon printed in the patent.
Figure 1 from US Plant Patent PP15906, 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
PP15906
Filed
April 5, 2004
Granted
August 2, 2005
Expires
June 28, 2024
Inventor
SMITH MARK A

Abstract

A new and distinct cultivar of Aster plant named ‘Yodragon’, characterized by its uniform, outwardly spreading and mounded plant habit; freely branching growth habit; dark green-colored foliage; uniform flowering habit; natural flowering season around September 7 th ; daisy-type inflorescences with pale blue-colored ray florets; and good garden performance.

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

1. A new and distinct cultivar of Aster plant named ‘Yodragon’, as illustrated and described.

Read the full patent: US Plant Patent PP15906 in full — the complete specification, every figure, and the file history.