US Plant Patent PP8423
Blackberry-Douglass
Blackberry-Douglass cultivar
PUBLIC DOMAIN
Patent expired October 11, 2011. 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
- PP8423
- Filed
- October 11, 1991
- Granted
- October 19, 1993
- Expires
- October 11, 2011
- Assignee
- DOUGLASS BERNARD S
- Inventor
- DOUGLASS BERNARD S
Abstract
A new and distinct variety of trailing type blackberry plant characterized by husky, thornless canes and a vigorous growth habit. The variety has a high mid-season fruit yield of medium large glossy black fruit with excellent dessert and canning qualities.
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 and distinct trailing type blackberry as substantially illustrated and described which is characterized by husky, thornless canes and a vigorous growth habit, and high mid-season fruit yields of medium large glossy black fruit with small seeds, excellent dessert qualities and high potential for jams, jellies, and juice.
Read the full patent: US Plant Patent PP8423 in full — the complete specification, every figure, and the file history.