US Plant Patent PP33459
OP10664
African violet plant named ‘OP10664’
UNDER PATENT
Still under patent. Protection ends July 12, 2039.
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
- PP33459
- Filed
- July 12, 2019
- Granted
- September 7, 2021
- Expires
- July 12, 2039
- Assignee
- HERMANN HOLTKAMP GREENHOUSES INC
- Inventor
- HOLTKAMP JR REINHOLD; HOLTKAMP MARTIN
Abstract
A new and distinct cultivar of African Violet named ‘OP10664’ particularly characterized by its filantherless single, violet-shaped, bi-color purple flowers with a white center and occasional additional 1-3 small petals, upright flower stems that curve slightly toward the center to form a compact flower bouquet above the leaves; medium green, round to oval shaped leaves; vigorous and medium growth habit; flowering 9-10 weeks after potting, and very 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 ‘OP10664’, as described and illustrated herein.
Read the full patent: US Plant Patent PP33459 in full — the complete specification, every figure, and the file history.