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US Plant Patent PP20649

RX1

Walnut rootstock ‘RX1’

UNDER PATENT

Still under patent. Protection ends August 28, 2027.

Twenty years from the filing date would end on June 25, 2027. This patent earned 64 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP20649, the photograph of RX1 printed in the patent.
Figure 1 from US Plant Patent PP20649, 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
PP20649
Filed
June 25, 2007
Granted
January 19, 2010
Expires
August 28, 2027
Assignee
UNIV CALIFORNIA, US AGRICULTURE
Inventor
MCGRANAHAN GALE; BROWNE GREGORY; LESLIE CHARLES; HACKETT WESLEY; MCKENNA JAMES

Abstract

A new and distinct variety of walnut rootstock denominated ‘RX1’ is described. This new variety, ‘RX1’, can be propagated through standard tissue culture micropropagation. It has excellent survivability in the nursery and orchard. The new variety also has reduced susceptibility to damage from Phytophthora citricola in greenhouse screens and in the field compared to other available walnut rootstocks.

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 walnut rootstock plant designated ‘RX1’ as shown and described herein.

Read the full patent: US Plant Patent PP20649 in full — the complete specification, every figure, and the file history.