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The Patent Garden

US Plant Patent PP4578

Pamela

African violet plant

PUBLIC DOMAIN

Patent expired March 23, 1999. 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
PP4578
Filed
March 23, 1979
Granted
July 22, 1980
Expires
March 23, 1999
Inventor
HOLTKAMP SR HERMANN

Abstract

An African violet having vigorous growth habit; strong and upright flower stems, each carrying 7-9 large single star-shaped purple-violet flowers; prominent bright yellow anther cells, and by its round to heart-shaped leaves carried on strong petioles.

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 as shown and described, characterized by the combined features of vigorous growth habit; strong and upright flower stems, each carrying 7-9 large single star-shaped purple-violet flowers; prominent bright yellow anther cells, and by its round to heart-shaped leaves carried on strong petioles.

Read the full patent: US Plant Patent PP4578 in full — the complete specification, every figure, and the file history.