US Plant Patent PP5080
serrata
Zelkova serrata tree
PUBLIC DOMAIN
Patent expired December 10, 2001. 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
- PP5080
- Filed
- December 10, 1981
- Granted
- August 2, 1983
- Expires
- December 10, 2001
- Inventor
- FLEMER III WILLIAM
Abstract
A Zelkova serrata variety of larger size than Zelkova serrata "Village Green", U.S. Plant Pat. No. 2,337, having vase-shaped configuration, larger leaves of paler green, turning more orange than rusty red of "Village Green", in the fall, cold hardiness at temperatures to -16 degrees F., good foliar resistance to air borne pollutants and good drought resistance in heavy clay soil.
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 Zelkova serrata tree, substantially as herein shown and described, characterized particularly as to novelty by the unique combination of narrowly upright growth, terminating in a vase-shaped crown, growing much taller than Zelkova serrata "Village Green", larger leaves of paler green than "Village Green", excellent cold hardiness, surviving at temperatures as low as -16 degrees F., without trunk or branch damage, good foliar resistance to air-borne pollutants, and good drought resistance even in heavy clay soils.
Read the full patent: US Plant Patent PP5080 in full — the complete specification, every figure, and the file history.