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US Plant Patent PP16883

Whit XXX

Lacebark elm tree named ‘Whit XXX’

PUBLIC DOMAIN

Patent expired March 9, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on December 22, 2024. This patent earned 77 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP16883, the photograph of Whit XXX printed in the patent.
Figure 1 from US Plant Patent PP16883, 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
PP16883
Filed
December 22, 2004
Granted
July 25, 2006
Expires
March 9, 2025
Assignee
LACEBARK INC
Inventor
WHITCOMB CARL E

Abstract

A new and distinct lacebark elm tree, particularly distinguished in having an attractive upright-oval form, dark yellow-green leathery leaves and exceptional wood strength. The tree is easily propagated from cuttings to produce trees having a strong central leader and good stem taper without staking. The tree has proven resistant to common elm insects and diseases. The observed tree produces few seeds, none of which have been viable.

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 lacebark elm tree, substantially as illustrated and described.

Read the full patent: US Plant Patent PP16883 in full — the complete specification, every figure, and the file history.