US Plant Patent PP4521
San Francisco
African violet plant
PUBLIC DOMAIN
Patent expired February 27, 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
- PP4521
- Filed
- February 27, 1979
- Granted
- April 15, 1980
- Expires
- February 27, 1999
- Inventor
- HOLTKAMP REINHOLD
Abstract
An African violet plant known by the cultivar name San Francisco having girl type leaves, star-shaped lilac colored flowers carried on strong and upright stems, vigorous growth habit, compact bouquet and habit, and by its non-dropping, long lasting flowers.
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 plant as shown and described, known by the cultivar name San Francisco and characterized by the combined features of girl type leaves, star-shaped lilac colored flowers carried on strong and upright stems, vigorous growth habit, compact bouquet and habit, and by its non-dropping, long lasting flowers.
Read the full patent: US Plant Patent PP4521 in full — the complete specification, every figure, and the file history.