US Plant Patent PP4103
Sirius
Kalanchoe plant
PUBLIC DOMAIN
Patent expired September 13, 1994. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on July 27, 1996, but this patent ends 683 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
- PP4103
- Filed
- July 27, 1976
- Granted
- September 13, 1977
- Expires
- September 13, 1994
- Assignee
- MIKKELSENS INC
- Inventor
- GROB ADOLF
Abstract
This invention relates to a novel Kalanchoe having intense orange blossoms of large size which are produced for many weeks.
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 cultivar of Kalanchoe plant known by the cultivar name Sirius and particularly characterized as to novelty by its vigorous growth; intense orange flower color; early flowering; excellent self branching; exceptionally large total flower size; excellent cutting production; well formed umbels that continue to develop over several weeks growth, and by its apparently great resistance to botrytis stem rot.
Read the full patent: US Plant Patent PP4103 in full — the complete specification, every figure, and the file history.