US Plant Patent PP3990
No. 71-86L
Rose plant seedling No. 71-86L
PUBLIC DOMAIN
Patent expired December 14, 1993. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on January 21, 1996, but this patent ends 768 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
- PP3990
- Filed
- January 21, 1976
- Granted
- December 14, 1976
- Expires
- December 14, 1993
- Assignee
- JOSEPH H HILL COMPANY
- Inventor
- BYRUM ROY L
Abstract
A new variety of rose plant developed for commercial greenhouse culture and the commercial production of cut flowers, particularly distinguished by its abundant year around production of medium large flowers having an unusual lavender color and a strong tea fragrance. This new plant is a floribunda having a free and vigorous growth habit, one to three buds being borne on a strong stem of medium length which may be commercially disbudded to present a single blossom having a strong, erect peduncle of medium length.
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 rose plant substantially as herein shown and described, characterized by the lavender coloration and strong fragrance of its blooms, which are borne on strong stems of medium length, and by its abundant year around production of flowers of medium large size.
Read the full patent: US Plant Patent PP3990 in full — the complete specification, every figure, and the file history.