US Plant Patent PP7678
Yellowstone
African violet plant named Yellowstone
PUBLIC DOMAIN
Patent expired July 12, 2010. 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
- PP7678
- Filed
- July 12, 1990
- Granted
- October 15, 1991
- Expires
- July 12, 2010
Abstract
A new and distinct cultivar of African violet named Yellowstone which is a sport of Barbados, disclosed in U.S. Plant Pat. No. 6,437. Yellowstone is characterized by its double, purplish blue flowers with frilled white edges; strong, upright flower stems that curve slightly toward the center to form a bouquet above the leaves; medium green, velvety leaves; profuse flowering, vigorous growth habit, flowering 9-10 weeks after potting, and its long-lasting and non-dropping 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 named Yellowstone, as described and illustrated, and particularly characterized by its double, purplish blue flowers with frilled white edges; strong, upright flower stems that curve slightly toward the center to form a bouquet above the leaves; medium green, velvety leaves; profuse flowering, vigorous growth habit, flowering 9-10 weeks after potting, and its long-lasting and non-dropping flowers.
Read the full patent: US Plant Patent PP7678 in full — the complete specification, every figure, and the file history.