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The Patent Garden

US Plant Patent PP20013

Dark Towers

Penstemon plant named ‘Dark Towers’

UNDER PATENT

Still under patent. Protection ends December 10, 2027.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

Figure 1 of US plant patent PP20013, the photograph of Dark Towers printed in the patent.
Figure 1 from US Plant Patent PP20013, 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
PP20013
Filed
December 10, 2007
Granted
May 19, 2009
Expires
December 10, 2027
Inventor
LINDGREN DALE TENNIS

Abstract

A new and distinct Penstemon plant characterized by an upright, dense habit with very dark foliage, flowers of light purple shades, and excellent vigor.

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

1. A new and distinct Penstemon plant as herein illustrated and described.

Read the full patent: US Plant Patent PP20013 in full — the complete specification, every figure, and the file history.