US Plant Patent PP4188
Circus
Chrysanthemum plant
PUBLIC DOMAIN
Patent expired January 17, 1995. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on October 13, 1996, but this patent ends 635 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
- PP4188
- Filed
- October 13, 1976
- Granted
- January 17, 1978
- Expires
- January 17, 1995
- Assignee
- YODER BROTHERS INC
- Inventor
- JESSEL JR WALTER H; DUFFETT WILLIAM E
Abstract
A chrysanthemum cultivar having daisy type inflorescence, nine week flowering response, short plant height, lavender-pink ray floret color, and production capabilities under high light flowering periods.
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 morifolium, Ramat., known by the cultivar name Circus and particularly characterized as to uniqueness by the combined characteristics of flat inflorescence form; daisy inflorescence type; lavender-pink ray floret color, with minimum color oxidation; yellow-green (immature) to yellow (mature) disc floret color; uniform nine week flowering response to photographic short day control; diameter across face of inflorescence up to 70 mm. at maturity; medium plant height; and semi-spreading branching pattern.
Read the full patent: US Plant Patent PP4188 in full — the complete specification, every figure, and the file history.