US Plant Patent PP21857

Sugar Plum

Heuchera plant named ‘Sugar Plum’

UNDER PATENT

Still under patent. Protection ends February 5, 2030.

Twenty years from the filing date would end on December 14, 2029. 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 PP21857, the photograph of Sugar Plum printed in the patent. — Figure 1 from US Plant Patent PP21857, 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: PP21857
Filed: December 14, 2009
Granted: April 5, 2011
Expires: February 5, 2030
Assignee: TERRA NOVA NURSERIES INC
Inventor: EGGER JANET N

Abstract

A new and distinct hybrid of Heuchera plant characterized by deep red purple to silver medium-large sized leaves, light pink flowers on short dark burgundy flowering stems, a medium large mounding habit, excellent vigor, and excellent tolerance to heat and humidity.

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 Heuchera plant as herein illustrated and described.

Read the full patent: US Plant Patent PP21857 in full — the complete specification, every figure, and the file history.