US Plant Patent PP4131
Yellow Cloud-9
Chrysanthemum plant
PUBLIC DOMAIN
Patent expired October 18, 1994. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on September 3, 1996, but this patent ends 686 days earlier — a terminal disclaimer gives term back. A source that calculates twenty years from filing would tell you this plant is still protected when it is already free.
The record
- Patent number
- PP4131
- Filed
- September 3, 1976
- Granted
- October 18, 1977
- Expires
- October 18, 1994
- Assignee
- EGAN WILLIAM H
- Inventor
- EGAN WILLIAM H; MEEK JACK M; DUFFETT WILLIAM E
Abstract
This novel mutation of Cloud-9 differs therefrom by its yellow blossoms.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct cultivar of chrysanthemum known by the cultivar name Yellow Cloud-9 and characterized particularly as to uniqueness by the combined characteristics of incurved inflorescence form, reflexing rapidly with age; decorative inflorescence type; dark yellow inflorescence color with minimal color oxidation; diameter across face of inflorescence up to 130 mm.; permanence of inflorescence ranging up to 10 days; short plant height; spreading branching pattern; average natural season flower date of Sept. 15; and average flowering response period of 7 weeks in photoperiodic controlled flowering programs.
Read the full patent: US Plant Patent PP4131 in full — the complete specification, every figure, and the file history.