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The Patent Garden

US Plant Patent PP18733

Persian Slipper

Lupinus plant named ‘Persian Slipper’

PUBLIC DOMAIN

Patent expired June 23, 2026. 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 PP18733, the photograph of Persian Slipper printed in the patent.
Figure 1 from US Plant Patent PP18733, 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
PP18733
Filed
June 23, 2006
Granted
April 15, 2008
Expires
June 23, 2026
Assignee
CONIBEAR SARAH FRANCES
Inventor
CONIBEAR SARAH FRANCES

Abstract

‘Persian Slipper’ is a new variety of Lupinus hybridus that exhibits numerous and large-shaped violet-colored flowers.

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 Lupinus hybridus plant named ‘Persian Slipper’ as is herein described and illustrated.

Read the full patent: US Plant Patent PP18733 in full — the complete specification, every figure, and the file history.