US Plant Patent PP27520
Polar Zee
Nectarine tree named ‘Polar Zee’
UNDER PATENT
Still under patent. Protection ends October 23, 2035.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP27520
- Filed
- October 23, 2015
- Granted
- January 3, 2017
- Expires
- October 23, 2035
- Inventor
- ZAIGER GARY NEIL; GARDNER LEITH MARIE; ZAIGER GRANT GENE
Abstract
A new and distinct variety of nectarine tree ( Prunus persica var. nucipersica ). 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. Tree with a vigorous, upright growth habit. 2. Regular and productive bearer of large size fruit. 3. Fruit with an attractive red skin color. 4. Fruit having very good flavor and eating quality with a good balance between acid and sugar. 5. Clingstone fruit with firm, white flesh.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct variety of nectarine tree, substantially as illustrated and described.
Read the full patent: US Plant Patent PP27520 in full — the complete specification, every figure, and the file history.