US Plant Patent PP5548
polysperma
Hygrophila polysperma Tropic Sunset
PUBLIC DOMAIN
Patent expired July 11, 2003. 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
- PP5548
- Filed
- July 11, 1983
- Granted
- September 3, 1985
- Expires
- July 11, 2003
- Inventor
- MCLANE BRADFORD G
Abstract
A Hygrophila polysperma plant characterized by leaf veins which are red in light shade and white in heavy shade, and therefore provide a color contrast with the rest of the leaf, which is green.
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 Hygrophila polysperma plant as described and illustrated, characterized by leaves whose veins are red under low shade and white under heavy shade.
Read the full patent: US Plant Patent PP5548 in full — the complete specification, every figure, and the file history.