US Plant Patent PP31637

Porcelain Blue

Corydalis plant named ‘Porcelain Blue’

UNDER PATENT

Still under patent. Protection ends January 23, 2039.

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 PP31637, the photograph of Porcelain Blue printed in the patent. — Figure 1 from US Plant Patent PP31637, 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: PP31637
Filed: January 23, 2019
Granted: April 7, 2020
Expires: January 23, 2039
Assignee: HILLIER JOHN G
Inventor: HILLIER JOHN G

Abstract

A new cultivar of Corydalis named ‘Porcelain Blue’ that is distinguishable by its compact upright plant habit, profuse basal branching, deeply cut leaves with multiple lobes, and flowers which are vibrant aquamarine blue in color and which flower over a long period including summer.

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

I claim: 1. A new and distinct cultivar of Corydalis plant named ‘Porcelain Blue’ as described and illustrated herein.

Read the full patent: US Plant Patent PP31637 in full — the complete specification, every figure, and the file history.