US Plant Patent PP7655
DTR 102
Acer×freemani named `DTR 102`
PUBLIC DOMAIN
Patent expired March 5, 2010. 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
- PP7655
- Filed
- March 5, 1990
- Granted
- September 24, 1991
- Expires
- March 5, 2010
Abstract
This new variety of Acer×freemani was discovered in Urbana, Ill.; it shares some of the characteristics of both parent trees Acer rubrum and Acer saccharinum is a dense crown, heavy leaf population, substantial limb scaffold, rapid rate of growth, resistance to drought and winter crown damage, and a brilliant red fall color each October on all parts of the leaves on all ages of trees.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinctive variety of Acer×freemani named `DTR 102`, as described and illustrated herein, that differs from all other varieties by the unique combination of characteristics intermediate between red and silver maples with (1) simultaneous red fall color on all leaves of all ages of trees; (2) broadly ovate crown, short trunk, central but not dominant leader, and numerous ascending main branches; and (3) drought resistance and rapid growth of silver maple without the susceptibility to crown damage or breakage due to excessive snow loads.
Read the full patent: US Plant Patent PP7655 in full — the complete specification, every figure, and the file history.