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US Plant Patent PP17773

DM 8313-1

Grapevine ‘DM 8313-1’

PUBLIC DOMAIN

Patent expired June 27, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on January 31, 2025. This patent earned 147 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP17773, the photograph of DM 8313-1 printed in the patent.
Figure 1 from US Plant Patent PP17773, 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
PP17773
Filed
January 31, 2005
Granted
May 29, 2007
Expires
June 27, 2025
Inventor
MACGREGOR DAVID W

Abstract

A new and distinct grapevine variety named ‘DM 8313-1’ is disclosed. The new variety originated from a hand pollinated cross made at South Haven, Minn., and is distinguishable by virtue of its cold hardiness in USDA Zone 4, combined with its fine muscat flavor similar to Vitis vinifera variety ‘Muscat Blanc.’

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A new and distinct grapevine substantially as illustrated and described herein.

Read the full patent: US Plant Patent PP17773 in full — the complete specification, every figure, and the file history.