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The Patent Garden

US Plant Patent PP21542

Strawberry Swirl

Hibiscus plant named ‘Strawberry Swirl’

UNDER PATENT

Still under patent. Protection ends December 18, 2028.

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 PP21542, the photograph of Strawberry Swirl printed in the patent.
Figure 1 from US Plant Patent PP21542, 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
PP21542
Filed
December 18, 2008
Granted
November 30, 2010
Expires
December 18, 2028
Assignee
FLEMING DAVID WHITMAN, ZWETZIG GRETCHEN ANGELA
Inventor
ZWETZIG GRETCHEN ANGELA; FLEMING DAVID WHITMAN

Abstract

A new and distinct cultivar of winter hardy hibiscus plant named “Strawberry Swirl” is the result of a unique hybridization. This new and distinct cultivar is characterized primarily to its novelty by, its extreme cold hardiness to Zone 4, large, pinwheel-shaped, pink and white flowers and its “maple-shaped” green foliage, compactness of about 3 feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A new and distinct cultivar of hardy Hibiscus plant, as herein shown and described, characterized by its compact nature, refined “maple-shaped” foliage of a green coloration, its large bold, pink and white “pinwheel-like” flowers, its vigor and its hardiness.

Read the full patent: US Plant Patent PP21542 in full — the complete specification, every figure, and the file history.