US Plant Patent PP4113
Rachel
African violet plant named Rachel
PUBLIC DOMAIN
Patent expired September 27, 1994. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on October 7, 1996, but this patent ends 741 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
- PP4113
- Filed
- October 7, 1976
- Granted
- September 27, 1977
- Expires
- September 27, 1994
- Assignee
- GEO J BALL INC
- Inventor
- FISCHER ARNOLD W
Abstract
A new variety of African violet plant for greenhouse culture and potted plant production distinguished by its unique soft blue flowers which are characterized by petals having a fine white marginal edging, the flowers being held well above the foliage on strong upright peduncles, and by a strong growth habit that performs well under considerably less than optimum conditions.
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 African violet plant substantially as herein shown and described, characterized by its soft blue flowers which are delicately margined with a narrow band of white, by its strong and durable growth habit which performs well under much less than optimum conditions, and by its abundant year around production of flowers which are held on strong stems well above the foliage.
Read the full patent: US Plant Patent PP4113 in full — the complete specification, every figure, and the file history.