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The Patent Garden

US Plant Patent PP21711

Biringer

Katsura tree named ‘Biringer’

UNDER PATENT

Still under patent. Protection ends June 4, 2029.

Twenty years from the filing date would end on May 26, 2029. This patent earned 9 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP21711, the photograph of Biringer printed in the patent.
Figure 1 from US Plant Patent PP21711, 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
PP21711
Filed
May 26, 2009
Granted
February 15, 2011
Expires
June 4, 2029
Inventor
BIRINGER JOSEF

Abstract

‘Biringer’ Katsura is a newly and distinct variety of Katsura tree ( Cercidiphyllum japonicum ) having characteristics that are of commercial value in the nursery trade. As compared to Common Katsura, ‘Biringer’ Katsura has darker green summer foliage; narrower, more upright branch angles; a tendency to hold the leaves later in the autumn; and greater winter hardiness.

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

1. A new and distinct variety of Katsura tree named ‘Biringer’ as herein described and illustrated.

Read the full patent: US Plant Patent PP21711 in full — the complete specification, every figure, and the file history.