US Plant Patent PP4001
improved yellow dignity
Chrysanthemum plant named improved yellow dignity
PUBLIC DOMAIN
Patent expired January 4, 1994. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on August 18, 1995, but this patent ends 591 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
- PP4001
- Filed
- August 18, 1975
- Granted
- January 4, 1977
- Expires
- January 4, 1994
- Assignee
- PAN AMERICAN PLANT CO
- Inventor
- DANIELSON ROBERT E
Abstract
A new and distinct variety of chrysanthemum plant of the standard incurved type for greenhouse culture which originated as an irradiated mutation of "Yellow Dignity" (P.P. 3587) and which is distinguished from the cultivar by the more intense yellow color of its blooms.
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 morifolium substantially as herein shown and described, characterized by the more intense yellow color if its blooms when compared to the cultivar "Yellow Dignity".
Read the full patent: US Plant Patent PP4001 in full — the complete specification, every figure, and the file history.