US Plant Patent PP16286
Maple Sugar
Hibiscus plant named ‘Maple Sugar’
PUBLIC DOMAIN
Patent expired October 2, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on September 30, 2024. This patent earned 2 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16286
- Filed
- September 30, 2004
- Granted
- February 21, 2006
- Expires
- October 2, 2024
- Assignee
- RARE PLANT RES
- Inventor
- MOSTUL BURL
Abstract
A new and distinct Hibiscus plant named ‘Maple Sugar’, characterized by its upright and outwardly spreading plant habit; relatively large burgundy-colored leaves; and burgundy-colored flowers.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Hibiscus plant named ‘Maple Sugar’, as illustrated and described.
Read the full patent: US Plant Patent PP16286 in full — the complete specification, every figure, and the file history.