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The Patent Garden

US Plant Patent PP4122

Marmalade

Chrysanthemum plant

PUBLIC DOMAIN

Patent expired October 11, 1994. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on August 6, 1996, but this patent ends 665 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
PP4122
Filed
August 6, 1976
Granted
October 11, 1977
Expires
October 11, 1994
Inventor
JESSEL JR WALTER H; DUFFETT WILLIAM E

Abstract

A novel chrysanthemum plant of incurved form, with a uniform 10 week flowering response, and the ability to produce quality blossoms during low-light periods.

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 to be known by the cultivar name Marmalade and particularly characterized as to uniqueness by the combined characteristics of incurved inflorescence form, standard inflorescence type, red-bronze to orange-bronze inflorescence color, very tall plant height, uniform 10 week flowering response to photoperiodic short day control, and diameter across face of inflorescence up to 18 cm. at maturity.

Read the full patent: US Plant Patent PP4122 in full — the complete specification, every figure, and the file history.