US Plant Patent PP4039
Pearlie Mae Red
Geranium plant named Pearlie Mae Red
PUBLIC DOMAIN
Patent expired April 12, 1994. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on May 3, 1996, but this patent ends 752 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
- PP4039
- Filed
- May 3, 1976
- Granted
- April 12, 1977
- Expires
- April 12, 1994
- Assignee
- UNIV IOWA STATE RES FOUND INC
- Inventor
- BUCK GRIFFITH J
Abstract
A new geranium cultivar distinguished by its ability to grow vigorously and flower profusely under high humidity and temperature conditions, a shorter time requirement to initiate inflorescence, and by the very large size of the florets and floret clusters which comprise the 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 geranium cultivar substantially as herein shown and described, characterized by its profuse production of very large umbel-form inflorescence, its ability to flower throughout the year under glass, its generally shorter time requirement for initiation of inflorescence, and its ability to grow vigorously and flower profusely under high humidity and temperature conditions.
Read the full patent: US Plant Patent PP4039 in full — the complete specification, every figure, and the file history.