US Plant Patent PP5024
Crater Lake
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
- PP5024
- Filed
- September 9, 1981
- Granted
- April 5, 1983
- Expires
- September 9, 2001
- Inventor
- HOLTKAMP REINHOLD
Abstract
A new cultivar of African violet referred to by the cultivar name Crater Lake having semi-double to double blossoms with up to ten petals per blossom, purple-blue in color. The plant is a vigorous grower, producing 7-11 strong, sturdy, tilted flower stems each of which carries 11 or more flowers. The variety is further characterized by its shiny and slightly hairy leaves and by its dark brown flower stems and peduncles.
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 Crater Lake and particularly characterized by the combined features of semi-double to double flowers with up to ten petals purple-blue in color; seven-eleven strong, sturdy tilted flower stems, with each carrying eleven or more flowers; short hairy peduncles; dark brown flower stems and peduncles; shiny and slightly hairy leaves, vigorous growth habit, and by its ability to produce a saleable plant with a compact flower head within 8-9 weeks after potting.
Read the full patent: US Plant Patent PP5024 in full — the complete specification, every figure, and the file history.