US Plant Patent PP23479
Sugraforty
Grapevine plant named ‘Sugraforty’
UNDER PATENT
Still under patent. Protection ends December 20, 2031.
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
- PP23479
- Filed
- December 20, 2011
- Granted
- March 19, 2013
- Expires
- December 20, 2031
- Assignee
- SUN WORLD INT LLC, BACON TERRY A, STRIEM MICHAEL J
- Inventor
- STRIEM MICHAEL J; BACON TERRY A
Abstract
A new and distinct grapevine variety characterized by producing uniform, oval, black, berries. The berries have a medium sugar content and a slightly fruity flavor. Harvest of the new variety starts 7-10 days earlier than harvest of the comparable variety ‘Summer Royal’ (unpatented).
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 grapevine plant as herein illustrated and described.
Read the full patent: US Plant Patent PP23479 in full — the complete specification, every figure, and the file history.