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US Plant Patent PP18561

Garnet Tower

Acer palmatum plant named ‘Garnet Tower’

UNDER PATENT

Still under patent. Protection ends September 16, 2026.

Twenty years from the filing date would end on September 12, 2026. This patent earned 4 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18561, the photograph of Garnet Tower printed in the patent.
Figure 1 from US Plant Patent PP18561, 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
PP18561
Filed
September 12, 2006
Granted
March 4, 2008
Expires
September 16, 2026
Inventor
SHIBAMICHI AKIRA

Abstract

A new cultivar of Acer palmatum var. dissectum, ‘Garnet Tower’, characterized by its unique upright plant habit, it's deeply dissected and purple colored foliage, its purple stems, and its ability to be readily graphed on Acer palmatum rootstock.

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 Acer palmatum var. dissectum plant named ‘Garnet Tower’ as herein illustrated and described.

Read the full patent: US Plant Patent PP18561 in full — the complete specification, every figure, and the file history.