US Plant Patent PP5023
Chicago
African violet plant
PUBLIC DOMAIN
Patent expired September 9, 2001. 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
- PP5023
- Filed
- September 9, 1981
- Granted
- April 5, 1983
- Expires
- September 9, 2001
- Inventor
- HOLTKAMP REINHOLD
Abstract
A new cultivar of African violet known by the cultivar name Chicago, a sport of Nashville, disclosed in U.S. Plant Pat. No. 4,533. Chicago is characterized by its very compact growth habit, its girl-type leaves which are medium green with bright centers, with serrated edges, and by its basically white flowers which have purple centers and frequent purple stripes, with wavy or frilled edges, with the blossoms being single to semi-double and occasionally double in form.
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 of Chicago and distinguished by combined characteristics of very compact growth habit for both leaves and corolla; girl-type leaves, medium green in color with bright center and serrated on edges; 7 or more upright flower stems each of which carries 7-11 or more flowers per stem, with the flowers being basically white with purple centers and frequent purple stripes, and having wavy or frilled edges; single to semi-double and occasional double blossom form; uniform growth habit, and by its ability to provide an attractive saleable plant within 10 weeks after potting.
Read the full patent: US Plant Patent PP5023 in full — the complete specification, every figure, and the file history.