US Plant Patent PP15944

VerDale

Birch tree name ‘VerDale’

PUBLIC DOMAIN

Patent expired May 7, 2024. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on January 30, 2024. This patent earned 98 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP15944, the photograph of VerDale printed in the patent. — Figure 1 from US Plant Patent PP15944, 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: PP15944
Filed: January 30, 2004
Granted: September 6, 2005
Expires: May 7, 2024
Assignee: NDSU RES FOUNDATION
Inventor: HERMAN DALE E; CHAPUT LARRY J; CHENG ZONG-MING; DAI WENHAO; MAGNUSSON VICTORIA A

Abstract

‘VerDale’ is a new cultivar of Betula platyphylla, Asian white birch. This new cultivar has white bark and dark green leaves in addition to being highly resistant to bronze birch borer ( Agrilus anxius Gory).

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

1. A new and distinct Betula platyphylla birch tree as shown and described herein.

Read the full patent: US Plant Patent PP15944 in full — the complete specification, every figure, and the file history.