US Plant Patent PP20295
Alm-21
Interspecific almond tree named ‘Alm-21’
UNDER PATENT
Still under patent. Protection ends May 27, 2028.
Twenty years from the filing date would end on May 16, 2028. This patent earned 11 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP20295
- Filed
- May 16, 2008
- Granted
- September 15, 2009
- Expires
- May 27, 2028
- Inventor
- ZAIGER GARY NEIL; GARDNER LEITH MARIE; ZAIGER GRANT GENE
Abstract
A new and distinct variety of Interspecific Almond tree. The following features of the tree and its nuts 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 almond growing practices, such as pruning, spraying, irrigation and fertilization. Its novelty consist of the following combination of desirable features: 1. The tree being self fertile with the ability to produce almonds without the use of pollinators. 2. Vigorous, upright growth of the tree. 3. Producing nuts that are well sealed and soft shelled. 4. Nuts having very good eating quality. 5. Nuts harvesting 7 to 10 days before ‘Nonpariel’ Almond (non-patented). 6. The pollen being compatible with ‘Nonpariel’ Almond (non-patented) and blooming in the same blooming season.
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 Interspecific Almond tree, substantially as illustrated and described.
Read the full patent: US Plant Patent PP20295 in full — the complete specification, every figure, and the file history.