US Plant Patent PP21082
Silt Cher
Impatiens plant named ‘Silt Cher’
UNDER PATENT
Still under patent. Protection ends February 7, 2029.
Twenty years from the filing date would end on November 19, 2028. This patent earned 80 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21082
- Filed
- November 19, 2008
- Granted
- June 22, 2010
- Expires
- February 7, 2029
- Assignee
- GOLDSMITH SEEDS EUROPE BV
- Inventor
- KRASSENBURG JOLANDA
Abstract
A new Impatiens plant named ‘Silt Cher,’ particularly distinguished by rose-shaped, double type flowers, light cherry red to carmine flower color, dark green foliage, relatively round leaf shape, medium vigor, and well-branched, low and mounding habit.
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 Impatiens plant named ‘Silt Cher,’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP21082 in full — the complete specification, every figure, and the file history.