US Plant Patent PP4153
Joy
Chrysanthemum plant
PUBLIC DOMAIN
Patent expired November 22, 1994. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on August 23, 1996, but this patent ends 640 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
- PP4153
- Filed
- August 23, 1976
- Granted
- November 22, 1977
- Expires
- November 22, 1994
- Assignee
- YODER BROTHERS INC
- Inventor
- JESSEL JR WALTER H; DUFFETT WILLIAM E
Abstract
A chrysanthemum plant having flat inflorescence form and anenome inflorescence type; medium yellow ray floret color with minimal oxidation; uniform eight week response; short plant height and semi-upright branching pattern.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct cultivar of Chrysanthemum morifolium, Ramat., plant known by the cultivar name Joy and particularly characterized as to uniqueness by the combined characteristics of flat inflorescence form; anenome inflorescence type; medium yellow ray floret color, tinging light bronze with cool (below 60° F) finishes; minimal inflorescence color oxidation during high temperature periods; uniform 8 week flowering response to photoperiodic short-day control; short plant height; semi-upright branching pattern; and diameter across face of inflorescence up to 95 mm. at maturity.
Read the full patent: US Plant Patent PP4153 in full — the complete specification, every figure, and the file history.