US Plant Patent PP15508
Piku 3
Prunus tree rootstock named ‘Piku 3’
PUBLIC DOMAIN
Patent expired May 17, 2022. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on May 1, 2022. This patent earned 16 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15508
- Filed
- May 1, 2002
- Granted
- February 1, 2005
- Expires
- May 17, 2022
- Assignee
- CONSORTIUM DEUTSCHER BAUMSCHUL
- Inventor
- WOLFRAM BRIGITTE
Abstract
A new and distinct Prunus rootstock compatible with other Prunus varieties and producing trees with reduced growth, adaptability to soil and high productivity.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of Prunus rootstock tree named ‘Piku 3’ substantially as shown and described.
Read the full patent: US Plant Patent PP15508 in full — the complete specification, every figure, and the file history.