US Plant Patent PP4041
Marian
Geranium plant named Marian
PUBLIC DOMAIN
Patent expired April 12, 1994. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on May 3, 1996, but this patent ends 752 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
- PP4041
- Filed
- May 3, 1976
- Granted
- April 12, 1977
- Expires
- April 12, 1994
- Assignee
- UNIV IOWA STATE RES FOUND INC
- Inventor
- BUCK GRIFFITH J
Abstract
A new geranium cultivar distinguished by its more compact and free-branching growth, its greater flowering potential, and the intensification of its pink coloring under high temperature and high light intensities. This plant blooms continuously, is tolerant of high nighttime temperatures, has good strength against breaking apart or shattering in wind or rain, and is highly resistant to Botrytis cinerea infection.
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 geranium plant substantially as herein shown and described, characterized by its vigorous, upright and much branched growth habit, its continuous and abundant flower production, and the tendency of its flower color to intensify under high temperature and high light conditions.
Read the full patent: US Plant Patent PP4041 in full — the complete specification, every figure, and the file history.