US Plant Patent PP27079
P.N.B.1
Pistacia rootstock named ‘P.N.B.1’
UNDER PATENT
Still under patent. Protection ends November 21, 2034.
Twenty years from the filing date would end on July 18, 2034. This patent earned 126 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27079
- Filed
- July 18, 2014
- Granted
- August 23, 2016
- Expires
- November 21, 2034
- Assignee
- BLACKWELL BRIAN
- Inventor
- BLACKWELL BRIAN
Abstract
A new and distinct Pistacia cultivar named ‘P.N.B.1’ is disclosed, characterized by increased crop yield when used as a rootstock. Plants of the new variety are easier to produce in micropropagation, and grow faster under lower temperatures in the greenhouse. The new variety is a Pistacia intergerrima×Pistacia atlantica, produced as a commercial rootstock for grafting or budding onto.
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 cultivar of Pistachia rootstock named ‘P.N.B.1’ as herein illustrated and described.
Read the full patent: US Plant Patent PP27079 in full — the complete specification, every figure, and the file history.