US Plant Patent PP25811
Crimson Carson
Interspecific tree named ‘Crimson Carson’
UNDER PATENT
Still under patent. Protection ends April 10, 2034.
Twenty years from the filing date would end on February 7, 2034. This patent earned 62 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25811
- Filed
- February 7, 2014
- Granted
- August 18, 2015
- Expires
- April 10, 2034
- Inventor
- ZAIGER GARY NEIL; GARDNER LEITH MARIE; ZAIGER GRANT GENE
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, 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 vigorous, upright growth. 2. Heavy and regular production of medium size fruit. 3. Fruit with attractive red skin color. 4. Fruit with very good flavor and eating quality.
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 interspecific tree, substantially as illustrated and described.
Read the full patent: US Plant Patent PP25811 in full — the complete specification, every figure, and the file history.