US Plant Patent PP4547
Alberta
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
- PP4547
- Filed
- February 27, 1979
- Granted
- June 17, 1980
- Expires
- February 27, 1999
- Inventor
- HOLTKAMP REINHOLD
Abstract
An African violet known by the cultivar name Alberta, having a vigorous growth habit; 12 or more strong flower stems each of which carries 12 or more violet-shaped flowers which are generally white with purple centers and edges, with the flowers normally containing five petals, with an occasional small petal appearing at the center attached to the receptacle; uniform bouquet and by its long blooming period.
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, known by the cultivar name Alberta, and characterized by the combined features of vigorous growth habit; producing 12 or more strong flower stems each of which carries 12 or more violet-shaped flowers which are generally white with purple centers and edges, with the flowers normally containing five petals, with an occasional small petal appearing at the center attached to the receptacle; uniform bouquet and by its long blooming period.
Read the full patent: US Plant Patent PP4547 in full — the complete specification, every figure, and the file history.