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US Plant Patent PP13677

QPSTA

Willow oak tree named ‘QPSTA’

PUBLIC DOMAIN

Patent expired April 13, 2021. This plant is in the public domain — anyone may propagate and sell it.

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 PP13677, the photograph of QPSTA printed in the patent.
Figure 1 from US Plant Patent PP13677, 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
PP13677
Filed
April 13, 2001
Granted
March 25, 2003
Expires
April 13, 2021
Assignee
TREE INTRODUCTIONS INC
Inventor
GLENN MICHAEL M

Abstract

A Willow Oak tree named ‘QPSTA’ having dense, narrow-pyramidal branching habit, dense canopy, dominant central leader, and relatively fast growth rate and which is also capable of being reproduced reliably using softwood cutting.

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 variety of Willow Oak tree named ‘QPSTA,’ substantially as herein illustrated and described, characterized particularly as to novelty by its unique dense, narrow-pyramidal branching habit, dense canopy, dominant central leader, and relatively fast growth rate.

Read the full patent: US Plant Patent PP13677 in full — the complete specification, every figure, and the file history.