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US Plant Patent PP13506

Rubirosa

Plum tree named ‘Rubirosa’

PUBLIC DOMAIN

Patent expired February 20, 2022. This plant is in the public domain — anyone may propagate and sell it.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

Figure 1 of US plant patent PP13506, the photograph of Rubirosa printed in the patent.
Figure 1 from US Plant Patent PP13506, 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
PP13506
Filed
February 20, 2002
Granted
January 21, 2003
Expires
February 20, 2022
Inventor
ZAIGER GARY NEIL; GARDNER LEITH MARIE; ZAIGER GRANT GENE

Abstract

A new and distinct variety of plum tree ( prunus salicina ). The following features of the tree and its fruit are characterized with the tree budded on ‘Nemaguard’ Rootstock (non-patented), grown on Handford sandy loam soil with Storie Index rating 95, in USDA Hardiness Zone 9, near Modesto, Calif. with standard commercial fruit growing practices, such as pruning, thinning, spraying, irrigation and fertilization. Its novelty consists of the following combination of desirable features: 1. Heavy and regular production of medium size, yellow flesh, clingstone fruit. 2. Fruit with an attractive red skin color. 3. Fruit with good flavor and eating quality. 4. Fruit with relative uniform size throughout the tree.

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

We claim: 1. A new and distinct variety of plum tree, substantially as illustrated and described, characterized by its large size, vigorous, upright growth and being a productive and regular bearer of medium size, yellow flesh, clingstone fruit with good flavor and eating quality and, in comparison to ‘Red Beaut’ Plum (U.S. Plant Pat. No. 2,539), the present variety has a more consistent set with heavier production and is approximately one week later in maturity.

Read the full patent: US Plant Patent PP13506 in full — the complete specification, every figure, and the file history.