US Plant Patent PP7636
Brown Hybrid X618
Mushroom plant named Brown Hybrid X618
PUBLIC DOMAIN
Patent expired June 8, 2009. 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
- PP7636
- Filed
- June 8, 1989
- Granted
- August 27, 1991
- Expires
- June 8, 2009
Abstract
A new and unique variety of brown mushroom is described. It exhibits (1) high production yields when compared to common commercial varieties, (2) excellent Verticillium disease resistance and (3) a distinct electrophoretic isozyme pattern.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of mushroom substantially as shown and described, characterized particularly as to novelty by its greater resistance to Verticillium disease when compared to commercially available lines 56B and 381 and by its unique electrophoretic isozyme phenotype.
Read the full patent: US Plant Patent PP7636 in full — the complete specification, every figure, and the file history.