Skip to content
The Patent Garden

US Plant Patent PP4433

Minnesota

African violet plant

PUBLIC DOMAIN

Patent expired February 22, 1998. 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.

The record

Patent number
PP4433
Filed
February 22, 1978
Granted
July 10, 1979
Expires
February 22, 1998
Inventor
HOLTKAMP REINHOLD

Abstract

An African violet named Minnesota having large star-shaped, non-dropping red-purple flowers, strong upright flower stems, with 5-7 flowers on each stem and 10-12 stems on each plant, dark green leaves, and vigorous growth habit.

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

I claim: 1. A new and distinct cultivar of African violet known by the cultivar name Minnesota and characterized by the combined features of large-star-shaped, non-dropping red-purple flowers, strong upright flower stems, with 5-7 flowers on each stem and 10-12 stems on each plant, dark green leaves, and vigorous growth habit.

Read the full patent: US Plant Patent PP4433 in full — the complete specification, every figure, and the file history.