US Plant Patent PP9407
Everthornless
`Everthornless` blackberry
PUBLIC DOMAIN
Patent expired December 26, 2012. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on February 17, 2015, but this patent ends 783 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
- PP9407
- Filed
- February 17, 1995
- Granted
- December 26, 1995
- Expires
- December 26, 2012
- Assignee
- RES CORP TECHNOLOGIES INC
- Inventor
- MCPHEETERS KENNETH D; SKIRVIN ROBERT M
Abstract
This invention relates to a new and distinct trailing thornless blackberry cultivar named 'Everthornless', which is an ex vitro somaclonal variant of the 'Thornless Evergreen' cultivar of Rubus laciniatus Willd., that has good fruit yield and produces thornless, not thorny, shoots from its roots.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed: 1. A new and distinct cultivar of blackberry substantially as illustrated and described herein, characterized by its thornless root suckers.
Read the full patent: US Plant Patent PP9407 in full — the complete specification, every figure, and the file history.