US Plant Patent PP12810
Guinost
Geranium plant named ‘Guinost’
PUBLIC DOMAIN
Patent expired May 27, 2019. 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
- PP12810
- Filed
- May 27, 1999
- Granted
- July 30, 2002
- Expires
- May 27, 2019
- Assignee
- QUILLAN FRERES ETS
- Inventor
- GUILLOU BERNARD; GUILLOU JACQUES; GUILLOU MAURICE
Abstract
A new and distinct cultivar of Geranium plant named ‘Guinost’, characterized by its compact and upright plant habit; slightly zoned and small leaves; numerous long-lasting dark hot pink-colored semi-double to double flowers; basal branching; high yield of cuttings; early flowering; continuous flowering throughout the summer; and foliage tolerant to rain, wind and stress conditions.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Geranium plant named ‘Guinost’, as illustrated and described.
Read the full patent: US Plant Patent PP12810 in full — the complete specification, every figure, and the file history.