US Plant Patent PP31192
Effie
Nectarine tree named ‘Effie’
UNDER PATENT
Still under patent. Protection ends January 14, 2039.
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
- PP31192
- Filed
- January 14, 2019
- Granted
- December 10, 2019
- Expires
- January 14, 2039
- Assignee
- UNIV ARKANSAS
- Inventor
- WORTHINGTON MARGARET; CLARK JOHN R
Abstract
Description and specification of a new and distinct nectarine tree cultivar named ‘Effie’ which originated from a hand-pollinated cross of Ark. 720 nectarine (female; non-patented) x Ark. 747 peach (male; non-patented) made in 2004. This new nectarine cultivar can be distinguished by its firm fruit with non-melting white flesh, late ripening season, medium size, attractive appearance, high red skin color, excellent fruit quality, good flavor, and resistance to bacterial spot disease.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct cultivar of peach tree named ‘Effie’, substantially as illustrated and described.
Read the full patent: US Plant Patent PP31192 in full — the complete specification, every figure, and the file history.