US Plant Patent PP14612
Castor
Chrysanthemum plant named ‘Castor’
PUBLIC DOMAIN
Patent expired February 15, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on December 12, 2022. This patent earned 65 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP14612
- Filed
- December 12, 2002
- Granted
- March 16, 2004
- Expires
- February 15, 2023
- Assignee
- CHRYSANTHEMUM BREEDERS ASS NV
- Inventor
- NOODELIJK ROBERT
Abstract
A chrysanthemum plant named ‘Castor’ characterized by its large blooms with yellow ray-florets and prolific branching; natural season flower date August 19-26; blooming for a period of 5 weeks.
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 variety of chrysanthemum plant as described and illustrated.
Read the full patent: US Plant Patent PP14612 in full — the complete specification, every figure, and the file history.