Skip to content
The Patent Garden

US Plant Patent PP17442

SUGAR PEARL

Nectarine tree named ‘SUGAR PEARL’

PUBLIC DOMAIN

Patent expired April 27, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on December 20, 2025. This patent earned 128 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP17442, the photograph of SUGAR PEARL printed in the patent.
Figure 1 from US Plant Patent PP17442, 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
PP17442
Filed
December 20, 2005
Granted
February 27, 2007
Expires
April 27, 2026
Assignee
BRADFORD LOWELL GLEN
Inventor
BRADFORD LOWELL GLEN

Abstract

The present invention relates to a nectarine tree and more particularly to a new and distinct variety broadly characterized by a medium size, vigorous, hardy, self-fertile, productive and regular bearing tree. The fruit matures under the ecological conditions described in mid July, with first picking on Jul. 7, 2005. The fruit is uniformly large in size, excellent in flavor, globose in shape, clingstone in type, very firm in texture, white in flesh color, and full red in skin color. The variety was developed as a first generation cross using ‘Summer Bright’ (U.S. Plant Pat. No. 7,049) yellow flesh nectarine as the selected seed parent and an unnamed white nectarine (unpatented) as the selected pollen parent.

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 nectarine tree named ‘SUGAR PEARL’, substantially as illustrated and described, that is most similar to ‘Grand Pearl’ (U.S. Plant Pat. No. 9,960) nectarine tree by producing nectarines that are clingstone in type, globose in shape, full red in skin color, white in flesh color, very firm in texture, and sub-acidic and sweet in flavor, but is distinguished therefrom by being much more productive, by having a small non-showy blossom instead of a large showy blossom, and by producing nectarines that are much less susceptible to skin cracking and russet, that are somewhat larger in size, and that have longer storage capabilities in cold storage.

Read the full patent: US Plant Patent PP17442 in full — the complete specification, every figure, and the file history.