US Plant Patent PP21883
Pink Elephant
Hibiscus plant named ‘Pink Elephant’
UNDER PATENT
Still under patent. Protection ends September 21, 2029.
Twenty years from the filing date would end on August 20, 2028. This patent earned 397 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21883
- Filed
- August 20, 2008
- Granted
- April 26, 2011
- Expires
- September 21, 2029
- Assignee
- MIKSICH THOMAS M
- Inventor
- MIKSICH THOMAS M
Abstract
A new and distinct hybrid of hardy Hibiscus plant named ‘Pink Elephant’ producing a multitude of large, flat, pink flowers with small maraschino cherry red eye and light rose veining on large plants over at least 12 weeks during the summer and early fall.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct hybrid cultivar of hardy Hibiscus plant named ‘Pink Elephant’ as herein described and illustrated, producing a multitude of large pink flowers with maraschino cherry eye on large plants over at least 12 weeks during the summer and early fall, suitable as a potted plant, for the garden, and for cut flower arrangements.
Read the full patent: US Plant Patent PP21883 in full — the complete specification, every figure, and the file history.