US Plant Patent PP4207
Nugget
Kalanchoe plant
PUBLIC DOMAIN
Patent expired February 7, 1995. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on February 8, 1997, but this patent ends 732 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
- PP4207
- Filed
- February 8, 1977
- Granted
- February 7, 1978
- Expires
- February 7, 1995
- Assignee
- MIKKELSENS INC
- Inventor
- MIKKELSEN JAMES C
Abstract
A kalanchoe cultivar having an unusually thick and upright main stem bearing golden orange flowers which stay open at night.
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 cultivar of kalanchoe plant known by the cultivar name Nugget and characterized particularly as to novelty by the combined characteristics of vigorous, strong, upright growth; excellent branching; capable of superior cutting production, and fast and uniform propagation; sharp, golden orange flower color, with the flowers being supported on strong stems; and compact and small foliage.
Read the full patent: US Plant Patent PP4207 in full — the complete specification, every figure, and the file history.