US Plant Patent PP6672
Mazam
Flowering crab apple tree named Mazam
PUBLIC DOMAIN
Patent expired August 12, 2006. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on December 3, 2007, but this patent ends 478 days earlier — a terminal disclaimer gives term back. A source that calculates twenty years from filing would tell you this plant is still protected when it is already free.
The record
- Patent number
- PP6672
- Filed
- December 3, 1987
- Granted
- March 14, 1989
- Expires
- August 12, 2006
Abstract
The present invention relates to a new and distinct variety of flowering crab apple, which was discovered by Father John Fiala as one of a group of unnamed seedling hybrids on my cultivated property, at Medina, Ohio. More particularly, the present invention relates to a novel cultivar of Malus derived from a series of multiple undefined crosses of unnamed Malus seedling hybrids, having unusual and distinctive characteristics, now available as "Madonna", a trademarked plant of Lake County Nursery, Inc., Perry, Ohio.
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 flowering Malus, (crab apple tree), substantially as herein shown and described, characterized particularly by extremely ornamental flowers, a uniquely long period of bud effectiveness, and a dense, upright structure.
Read the full patent: US Plant Patent PP6672 in full — the complete specification, every figure, and the file history.