US Plant Patent PP18293
Burnectwentytwo
Nectarine tree, ‘Burnectwentytwo’
PUBLIC DOMAIN
Patent expired December 13, 2025. This plant is in the public domain — anyone may propagate and sell it.
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
- PP18293
- Filed
- December 13, 2005
- Granted
- December 11, 2007
- Expires
- December 13, 2025
- Assignee
- BURCHELL NURSERY INC
- Inventor
- SLAUGHTER JOHN K; GERDTS TIMOTHY J
Abstract
A new and distinct variety of nectarine tree ( Prunus persica sub species nuciperisica ), denominated varietally as ‘Burnectwentytwo’, and which produces an attractively colored white-fleshed, non-melting, sub-acid clingstone nectarine, which is mature for harvesting and shipment approximately May 25 to June 4 under ecological conditions prevailing in the San Joaquin Valley of central California.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new distinct variety of nectarine tree, substantially as illustrated and described, and which is characterized principally as to novelty to producing an attractively colored, white-fleshed, non-melting, sub-acid clingstone nectarine which is mature for harvesting and shipment approximately May 25 to June 4 under the ecological conditions prevailing in the San Joaquin Valley of central California.
Read the full patent: US Plant Patent PP18293 in full — the complete specification, every figure, and the file history.