US Plant Patent PP21424
Delta
Spathiphyllum plant named ‘Delta’
UNDER PATENT
Still under patent. Protection ends July 7, 2029.
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
- PP21424
- Filed
- July 7, 2009
- Granted
- October 26, 2010
- Expires
- July 7, 2029
- Assignee
- CORNELIS DANIEL
- Inventor
- CORNELIS DANIEL
Abstract
A new and distinct Spathiphyllum cultivar named ‘DELTA’ is disclosed, characterized by moderate spathe production, very large, pure white spathe color, without cream coloration. The new variety is commercially suitable for indoor plant production.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Spathiphyllum plant named ‘DELTA’ as herein illustrated and described.
Read the full patent: US Plant Patent PP21424 in full — the complete specification, every figure, and the file history.