US Plant Patent PP4794
Crystal
Pieris japonica named Crystal
PUBLIC DOMAIN
Patent expired June 27, 2000. 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
- PP4794
- Filed
- June 27, 1980
- Granted
- November 24, 1981
- Expires
- June 27, 2000
- Inventor
- VERKADE GERALD H
Abstract
A new variety of Pieris bush characterized by the dark green leaves which are extremely thick, deeply serrated, have a waxy appearance when mature and remain glossy all year round.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinctive variety of Pieris plant substantially as herein shown and described, characterized by an abundant seedless flowering, its leaves being extremely thick, having an undulated, dark green color and having a shiny wax surface and remains glossy all year round.
Read the full patent: US Plant Patent PP4794 in full — the complete specification, every figure, and the file history.