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The Patent Garden

US Plant Patent PP13729

Crimson Curls

Heuchera plant named ‘Crimson Curls’

PUBLIC DOMAIN

Patent expired January 24, 2021. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on December 2, 2020. This patent earned 53 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP13729, the photograph of Crimson Curls printed in the patent.
Figure 1 from US Plant Patent PP13729, 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
PP13729
Filed
December 2, 2000
Granted
April 15, 2003
Expires
January 24, 2021
Inventor
BROWN RAY

Abstract

A new cultivar of Heuchera named ‘Crimson Curls’ that is characterized by a dense, clumping habit and dark purple-brown and crimson leaves with densely curled edges, setting ‘Crimson Curls’ apart from all other existing varieties of Heuchera known to the inventor.

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

What is claimed is: 1. A new and distinct variety of Heuchera plant named ‘Crimson Curls’ as described and illustrated.

Read the full patent: US Plant Patent PP13729 in full — the complete specification, every figure, and the file history.