US Plant Patent PP6977
Landsburg
Red Maple -- Landsburg cultivar
PUBLIC DOMAIN
Patent expired April 18, 2008. 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.
The record
- Patent number
- PP6977
- Filed
- April 18, 1988
- Granted
- August 8, 1989
- Expires
- April 18, 2008
Abstract
A new and distinct cultivar of red maple, botanically known as Acer rubrum is provided. The new cultivar is distinguished from other red maples by its excellent hardiness in combination with excellent brilliant red fall coloration. The new cultivar additionally possesses a broad oval configuration, good vigor, and serves particularly well as an attractive landscape planting.
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 Acer rubrum tree, characterized particularly as to novelty by the following combination of characteristics: (a) assumes a broad oval configuration as a young tree and maintains this configuration to maturity, (b) exhibits a vigorous growth habit, (c) forms brilliant red foliage coloration in the fall, (d) exhibits superior winter hardiness which is generally comparable to that of the Northwood and Morgan cultivars, and (e) generally assumes its fall coloration earlier than other red maples, substantially as illustrated and described.
Read the full patent: US Plant Patent PP6977 in full — the complete specification, every figure, and the file history.