US Plant Patent PP29896
Ballet Slippers
Hibiscus plant named ‘Ballet Slippers’
UNDER PATENT
Still under patent. Protection ends January 28, 2037.
Twenty years from the filing date would end on November 21, 2036. This patent earned 68 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP29896
- Filed
- November 21, 2016
- Granted
- November 27, 2018
- Expires
- January 28, 2037
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
A new and distinct cultivar of winter-hardy, herbaceous, perennial, hybrid Hibiscus plant named ‘Ballet Slippers’ comprising a compact habit of multiple, well-branched, basal stems over a prolonged season having a white middle portion, a shiny deep-red eye, blushed with pink along the petal tips and leading edges. Flower shape is slightly cupped with the leading petal edge slightly ruffled and not lying flat on the petal underneath. The foliage is three-lobed, deeply dissected, and dark green colored.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new cultivar of hardy herbaceous perennial Hibiscus hybrid plant named ‘Ballet Slippers’ as herein illustrated and described.
Read the full patent: US Plant Patent PP29896 in full — the complete specification, every figure, and the file history.