US Plant Patent PP14517
Burnectthirteen
Nectarine tree named ‘Burnectthirteen’
PUBLIC DOMAIN
Patent expired March 20, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on January 22, 2023. This patent earned 57 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP14517
- Filed
- January 22, 2003
- Granted
- February 10, 2004
- Expires
- March 20, 2023
- 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 ), and which is denominated varietally as ‘Burnectthirteen’, and which produces an attractively colored white-fleshed, sub-acid clingstone nectarine, which is mature for harvesting and shipment approximately May 24 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.
Having thus described and illustrated our new variety of nectarine tree, what we claim is new and desire to secure by Plant Letters Patent is: 1. A new distinct variety of nectarine tree, substantially as illustrated and described, and which is characterized principally as to novelty by producing an attractively colored white-fleshed, sub-acid clingstone nectarine which is mature for harvesting and shipment approximately May 24 to June 4 under the ecological conditions prevailing in the San Joaquin Valley of Central California.
Read the full patent: US Plant Patent PP14517 in full — the complete specification, every figure, and the file history.