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US Plant Patent PP13631

Fireball

Hibiscus plant named ‘Fireball’

PUBLIC DOMAIN

Patent expired September 10, 2021. This plant is in the public domain — anyone may propagate and sell it.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

Figure 1 of US plant patent PP13631, the photograph of Fireball printed in the patent.
Figure 1 from US Plant Patent PP13631, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP13631
Filed
September 10, 2001
Granted
March 11, 2003
Expires
September 10, 2021
Inventor
FLEMING DAVID W; ZWETZIG GRETCHEN A

Abstract

A new and distinct cultivar of winter hardy hibiscus plant named ‘Fireball’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to novelty by its extreme cold hardiness to Zone 4, its large, rich red flowers of an extremely overlapping nature, its very deeply lobed, palmate leaves wit a purple cast, its vigorous and uniform growth habit, its floriferous nature from midsummer until frost, and its overall improvements over ‘Lord Baltimore’ (unpatented) in refinements.

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 Hibiscus plant, as herein shown and described, characterized by its deeply

Read the full patent: US Plant Patent PP13631 in full — the complete specification, every figure, and the file history.