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US Plant Patent PP12856

Crimson Glo

Plum tree named ‘Crimson Glo’

PUBLIC DOMAIN

Patent expired May 10, 2021. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on April 30, 2021. This patent earned 10 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP12856, the photograph of Crimson Glo printed in the patent.
Figure 1 from US Plant Patent PP12856, 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
PP12856
Filed
April 30, 2001
Granted
August 13, 2002
Expires
May 10, 2021
Inventor
ZAIGER CHRIS FLOYD; ZAIGER GARY NEIL; GARDNER LEITH MARIE; ZAIGER GRANT GENE

Abstract

A new and distinct variety of plum tree. 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 consist of the following combination of desirable features: 1. Heavy and regular fruit production. 2. Production of medium to large fruit with good flavor and eating quality. 3. Fruit with good storage and shipping quality. 4. Vigorous and upright growth. 5. Fruit with an attractive red flesh color.

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 to large, clingstone fruit with good flavor and eating quality; the fruit is further characterized by having firm red flesh, good storage and shipping quality and in comparison to the ‘Friar’ Plum (non-patented), which has fruit with yellow flesh and bluish black skin color, the new variety has red flesh, brownish violet skin color and the fruit is two weeks earlier in maturity.

Read the full patent: US Plant Patent PP12856 in full — the complete specification, every figure, and the file history.