US Plant Patent PP15535
Stereophonics
Chrysanthemum plant name ‘Stereophonics’
PUBLIC DOMAIN
Patent expired July 17, 2023. This plant is in the public domain — anyone may propagate and sell it.
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
- PP15535
- Filed
- July 17, 2003
- Granted
- February 8, 2005
- Expires
- July 17, 2023
- Assignee
- CLEANGRO LTD
- Inventor
- BOEDER MARK R
Abstract
A new variety of Chrysanthemum plant named ‘Stereophonics,’ having a good uniform canopy of large white spatulate single flowers with a green disc. The new variety has medium vigor with a domed capitulum, free branching, and uniform spreading habit with good foliage presentation.
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 Chrysanthemum plant, substantially as described and illustrated herein.
Read the full patent: US Plant Patent PP15535 in full — the complete specification, every figure, and the file history.