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US Plant Patent PP17949

Don Frederico

Kalanchoe plant named ‘Don Frederico’

PUBLIC DOMAIN

Patent expired January 18, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on October 26, 2025. This patent earned 84 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP17949, the photograph of Don Frederico printed in the patent.
Figure 1 from US Plant Patent PP17949, 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
PP17949
Filed
October 26, 2005
Granted
August 28, 2007
Expires
January 18, 2026
Inventor
VAN DER KNAAP LEONARDUS JOHANN

Abstract

A new and distinct cultivar of Kalanchoe plant named ‘Don Frederico’, characterized by its upright and freely branching plant habit; dark green-colored leaves; yellow-colored double flowers with multiple petals per flower; and excellent postproduction longevity.

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 Kalanchoe plant named ‘Don Frederico’, as illustrated and described.

Read the full patent: US Plant Patent PP17949 in full — the complete specification, every figure, and the file history.