US Plant Patent PP6842
Queen of Siam
Aglaonema `Queen of Siam`
PUBLIC DOMAIN
Patent expired February 8, 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
- PP6842
- Filed
- February 8, 1988
- Granted
- June 6, 1989
- Expires
- February 8, 2008
Abstract
A new and distinct variety of Aglaonema characterized by compact growth habit with large four color variegated leaves.
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 variety of Aglaonema substantially as shown and described, characterized by: a compact and full appearance with leaves having a four color variegation on the upper surfaces with dark green margins, also blotches and spots of this color; a light gray-green central area that occupies about 50% to 70% of the leaf surface; medium gray-green blotches and spots between the margins and central area; and bright yellow-green markings and spots on the midrib; the lower leaf surfaces being a bright green with small yellow-green blotches and a similarly colored midrib, the midrib having small green blotches about the same as or somewhat lighter in color than the principal undersurface green.
Read the full patent: US Plant Patent PP6842 in full — the complete specification, every figure, and the file history.