US Plant Patent PP22529
DUP-ANG
Hibiscus plant named ‘DUP-ANG’
UNDER PATENT
Still under patent. Protection ends April 21, 2030.
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
- PP22529
- Filed
- April 21, 2010
- Granted
- February 28, 2012
- Expires
- April 21, 2030
- Assignee
- DUPONT SR ROBERT J
- Inventor
- DUPONT SR ROBERT J
Abstract
A new and distinct cultivar of hibiscus plant named ‘DUP-ANG’, characterized by glossy, dark green leaves, sturdy, upright growth, and large flowers having a large red eye zone which is sharply margined against a violet zone which extends to the petal margins, with suffusion of purple pink on the underlapping edge of each petal.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct hibiscus plant named ‘DUP-ANG’, as illustrated and described.
Read the full patent: US Plant Patent PP22529 in full — the complete specification, every figure, and the file history.