US Plant Patent PP16478

Frontenac gris

Grape plant named ‘Frontenac gris’

PUBLIC DOMAIN

Patent expired September 11, 2024. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on February 10, 2024. This patent earned 214 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP16478, the photograph of Frontenac gris printed in the patent. — Figure 1 from US Plant Patent PP16478, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number: PP16478
Filed: February 10, 2004
Granted: April 25, 2006
Expires: September 11, 2024
Assignee: UNIV MINNESOTA
Inventor: LUBY JAMES; HEMSTAD PETER

Abstract

The invention is a new and distinct variety of grape plant designated ‘Frontenac gris’, which produces gray colored fruit suitable for white wine production, and has a combination of high wine quality, excellent cold hardiness and disease resistance, and very good 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 grape plant designated ‘Frontenac gris’ as described and illustrated herein.

Read the full patent: US Plant Patent PP16478 in full — the complete specification, every figure, and the file history.