US Plant Patent PP16421

Silver Dragon

PersiCaria plant named ‘Silver Dragon’

PUBLIC DOMAIN

Patent expired November 11, 2024. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on July 1, 2024. This patent earned 133 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP16421, the photograph of Silver Dragon printed in the patent. — Figure 1 from US Plant Patent PP16421, 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: PP16421
Filed: July 1, 2004
Granted: April 4, 2006
Expires: November 11, 2024
Assignee: TERRA NOVA NURSERIES INC
Inventor: BROWN JR KENNETH E

Abstract

A new and distinct cultivar of Persicaria plant characterized by multicolored leaves exhibiting striking silver markings with olive green to brown edges and red purple stems and veins.

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

1. A new and distinct hybrid of Persicaria plant substantially as shown and described, characterized by multicolored leaves exhibiting striking silver markings with olive green to brown edges and red purple stems and veins.

Read the full patent: US Plant Patent PP16421 in full — the complete specification, every figure, and the file history.