US Plant Patent PP16486

Eldorado

Calamagrostis plant named ‘Eldorado’

PUBLIC DOMAIN

Patent expired March 19, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on December 20, 2024. This patent earned 89 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP16486, the photograph of Eldorado printed in the patent. — Figure 1 from US Plant Patent PP16486, 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: PP16486
Filed: December 20, 2004
Granted: April 25, 2006
Expires: March 19, 2025
Assignee: KOWITZ TODD ERIN
Inventor: KOWITZ TODD ERIN

Abstract

A new cultivar of Feather reed grass, Calamagrostis×acutiflora ‘Eldorado’, characterized by its variegated foliage with golden yellow centers and green margins, golden colored rachis, cold hardiness to USDA Zone 4 and its vigorous growth habit with tolerance to a range of growing conditions.

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 Calamagrostis plant named ‘Eldorado’ as herein illustrated and described.

Read the full patent: US Plant Patent PP16486 in full — the complete specification, every figure, and the file history.