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The Patent Garden

US Plant Patent PP19065

Sugrathirtyone

Grapevine plant named ‘Sugrathirtyone’

UNDER PATENT

Still under patent. Protection ends November 24, 2026.

Twenty years from the filing date would end on January 10, 2026. This patent earned 318 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP19065, the photograph of Sugrathirtyone printed in the patent.
Figure 1 from US Plant Patent PP19065, 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
PP19065
Filed
January 10, 2006
Granted
August 5, 2008
Expires
November 24, 2026
Inventor
CAIN DAVID W; STRIEM MICHAEL J

Abstract

A new and distinct grapevine variety characterized by possessing elliptic shaped, medium sized green-yellowish seedless grapes having a crisp flesh texture. The grapes have a mild neutral flavor, medium sugar content, and excellent eating quality. The new variety possesses exceptional late-ripening characteristics. Additionally, the bunches have the ability to stay on the vine for a month or more, while maintaining commercial harvest quality.

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 grapevine as herein illustrated and described.

Read the full patent: US Plant Patent PP19065 in full — the complete specification, every figure, and the file history.