US Plant Patent PP30473
Crawford
Cherry tree rootstock named ‘Crawford’
UNDER PATENT
Still under patent. Protection ends December 9, 2036.
Twenty years from the filing date would end on October 31, 2036. This patent earned 39 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP30473
- Filed
- October 31, 2016
- Granted
- May 7, 2019
- Expires
- December 9, 2036
- Assignee
- UNIV MICHIGAN STATE
- Inventor
- IEZZONI AMY
Abstract
A new cherry tree variety suitable for use as rootstock.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct variety of Cherry tree rootstock named ‘Crawford’ substantially as described and illustrated herein.
Read the full patent: US Plant Patent PP30473 in full — the complete specification, every figure, and the file history.