US Plant Patent PP4540
Autumnalis
Prunus subhirtella
PUBLIC DOMAIN
Patent expired January 25, 1999. 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
- PP4540
- Filed
- January 25, 1979
- Granted
- May 27, 1980
- Expires
- January 25, 1999
- Assignee
- TREESEARCH
- Inventor
- FLEMER III WILLIAM
Abstract
There is disclosed a flowering Higan Cherry Tree of the variety Prunus subhirtella which produces abundant quantities of deep purplish red blooms of semi-double form and long lasting qualities, the buds being capable of resisting bitter cold as low as minus 17 degrees F. in the vicinity of Princeton, N.J. under cultivated conditions.
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 flowering cherry tree of the species botanically known as Prunus subhirtella, substantially as herein shown and described, characterized particularly as to novelty by the unique combination of the deep purplish pink color of the flower, the very abundant quantity of blooms, the semi-double form of the flowers, the ability of the flower buds to survive extremely low temperatures, and the long lastingness of the blooms averaging six days longer than other Higan Cherry Trees growing in the vicinity.
Read the full patent: US Plant Patent PP4540 in full — the complete specification, every figure, and the file history.