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The Patent Garden

US Plant Patent PP4130

Plume

Chrysanthemum plant

PUBLIC DOMAIN

Patent expired October 18, 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 675 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
PP4130
Filed
August 23, 1976
Granted
October 18, 1977
Expires
October 18, 1994
Inventor
JESSEL JR WALTER H; DUFFETT WILLIAM E

Abstract

This novel yellow spider chrysanthemum has the ability to produce quality blooms in spring, summer, and fall programs.

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 Plume and particularly characterized as to uniqueness by the combined characteristics of flat inflorescence form; spider inflorescence type; medium yellow inflorescence color, oxidizing to light yellow at maturity; diameter across face of inflorescence ranging from 90 to 140 mm. at maturity; uniform nine week photoperiodic flowering response to short days; medium plant height; and semi-upright branching pattern.

Read the full patent: US Plant Patent PP4130 in full — the complete specification, every figure, and the file history.