US Plant Patent PP7574
Suplumsixteen
Hybrid plum tree cv. Suplumsixteen
PUBLIC DOMAIN
Patent expired July 2, 2008. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on January 22, 2010, but this patent ends 569 days earlier — a terminal disclaimer gives term back. A source that calculates twenty years from filing would tell you this plant is still protected when it is already free.
The record
- Patent number
- PP7574
- Filed
- January 22, 1990
- Granted
- July 2, 1991
- Expires
- July 2, 2008
Abstract
A plum tree characterized by its large, early ripening dessert quality, red-black fruit which are ovate in shape with a pointed blossom end. Trees of the variety are of medium size and bear fruit regularly.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new variety of plum tree, the variety being particularly distinguished and characterized by its large early-ripening dessert quality red-black fruit, ovate in shape with a pointed blossom and; its medium sized and regularly bearing tree; and its medium-sized elliptic leaves which lack any undulation of its serrated margin and which bear a pair of globose-shaped glands on both the leaf base and petiole substantially as herein shown and described.
Read the full patent: US Plant Patent PP7574 in full — the complete specification, every figure, and the file history.