US Plant Patent PP14571
Spring Flavor
Interspecific tree named ‘Spring Flavor’
PUBLIC DOMAIN
Patent expired January 6, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on December 16, 2022. This patent earned 21 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP14571
- Filed
- December 16, 2002
- Granted
- March 2, 2004
- Expires
- January 6, 2023
- Inventor
- ZAIGER GARY NEIL; ZAIGER GRANT GENE; GARDNER LEITH MARIE
Abstract
A new and distinct variety of interspecific 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, Calf., 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. Large size fruit maturing in the early season. 2. Fruit with excellent flavor and eating quality. 3. The tree with a vigorous, upright growth habit. 4. Fruit with a good balance between sugar and acid. 5. Fruit with good storage and handling quality. 6. Heavy and regular bearing of fruit. 7. Fruit with an attractive, reddish maroon color.
Read the full patent: US Plant Patent PP14571 in full — the complete specification, every figure, and the file history.