US Plant Patent PP7150
Silver Stone
Eryngium planum plant named Silver Stone
PUBLIC DOMAIN
Patent expired October 21, 2008. 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
- PP7150
- Filed
- October 21, 1988
- Granted
- February 13, 1990
- Expires
- October 21, 2008
Abstract
A distinct cultivar of Eryngium planum named Silver Stone, characterized by its large growth habit and rosette form, large and strong peduncles, and ellipsoid shaped flowers which are a distinctive greyish green in color.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct cultivar of Eryngium planum named Silver Stone, as illustrated and described.
Read the full patent: US Plant Patent PP7150 in full — the complete specification, every figure, and the file history.