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US Plant Patent PP19893

Prairie Twilight

Penstemon plant named ‘Prairie Twilight’

UNDER PATENT

Still under patent. Protection ends December 21, 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 PP19893, the photograph of Prairie Twilight printed in the patent.
Figure 1 from US Plant Patent PP19893, 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
PP19893
Filed
December 21, 2007
Granted
April 7, 2009
Expires
December 21, 2027
Inventor
LINDGREN DALE T; SCHAAF DANIEL M

Abstract

A new and distinct hybrid of Penstemon plant characterized by bicolored flowers with purple tubes and with white lower lips. The plant has a distinct fall foliage where the leaves turn a bronze red, medium height and good resistance to disease and insects.

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 Penstemon plant substantially as described and illustrated herein.

Read the full patent: US Plant Patent PP19893 in full — the complete specification, every figure, and the file history.