US Plant Patent PP18221

Elsie

Cactaceae plant named ‘Elsie’

PUBLIC DOMAIN

Patent expired July 29, 2025. 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 PP18221, the photograph of Elsie printed in the patent. — Figure 1 from US Plant Patent PP18221, 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: PP18221
Filed: July 29, 2005
Granted: November 20, 2007
Expires: July 29, 2025
Assignee: UNIV MASSACHUSETTS
Inventor: BOYLE THOMAS H

Abstract

A variety of the Cactaceae family produced in a controlled hybridization ‘Elise’. The variety possesses the desirable characteristics of: a strong growth habit with erect stems; a red colored bloom; relatively large flowers; a strong propensity to branch with minimal pruning; and flowers that stay open for as long as two weeks.

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

1. A new and distinct variety of Cactaceae plant, substantially as herein shown and described.

Read the full patent: US Plant Patent PP18221 in full — the complete specification, every figure, and the file history.