US Plant Patent PP13200
Chesapeake Snowflake
Ornithogalum plant named ‘Chesapeake Snowflake’
PUBLIC DOMAIN
Patent expired July 24, 2021. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on May 11, 2021. This patent earned 74 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP13200
- Filed
- May 11, 2001
- Granted
- November 12, 2002
- Expires
- July 24, 2021
- Assignee
- US AGRICULTURE
- Inventor
- GRIESBACH ROBERT; MEYER FRED
Abstract
A new and distinct cultivar of Ornithogalum plant named ‘Chesapeake Snowflake’ characterized by its strong, upright and short scapes; and dense corymbose racemes with numerous white-colored flowers.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Ornithogalum plant named ‘Chesapeake Snowflake’, as illustrated and described.
Read the full patent: US Plant Patent PP13200 in full — the complete specification, every figure, and the file history.