US Plant Patent PP9793
Helen
Chrysanthemum plant named `Helen`
PUBLIC DOMAIN
Patent expired March 1, 2016. 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
- PP9793
- Filed
- March 1, 1996
- Granted
- February 4, 1997
- Expires
- March 1, 2016
- Assignee
- YODER BROTHERS INC
- Inventor
- VANDENBERG CORNELIS P
Abstract
A Chrysanthemum plant named Helen particularly characterized by its flat capitulum form; decorative capitulum type; red ray floret color; diameter across face of capitulum of 41 to 51 mm when fully opened; branching pattern is spreading and prolific, with 6 to 8 laterals developing after pinch when grown outside under natural daylength in fall flowerings; natural season flower date of August 15 to 16 when planting rooted cuttings on June 17 to 18 in Salinas, Calif., and of September 19 to 22 when planting rooted cuttings June 15 to 18 in Hightstown, N.J.; plant height of 25 to 33 cm when grown in fall under natural daylength with no growth regulators; and durable, uniform performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct Chrysanthemum plant named Helen, as described and illustrated.
Read the full patent: US Plant Patent PP9793 in full — the complete specification, every figure, and the file history.