US Plant Patent PP7251
Per Can
Thornless blackberry named "Per Can"
PUBLIC DOMAIN
Patent expired April 6, 2008. This plant is in the public domain — anyone may propagate and sell it.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.
The record
- Patent number
- PP7251
- Filed
- April 6, 1988
- Granted
- June 19, 1990
- Expires
- April 6, 2008
Abstract
A Nordic-type blackberry variety named "Per Can" combines the characteristics of cold-hardiness, thornless branches and stems, adaptability to various soil conditions, vigor and strength, absence of suckering, and ease of propagation by tissue culturing. Per Can yields berries characterized by an excellent taste (slightly acid, slightly sugary), a very fresh appearance and appealing texture, with a real blackberry aroma and no noticeable aftertaste.
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 cultiver of Rubus canadensis, named Per Can, as herein shown and described, characterized particularly as to uniqueness by the combined characteristics of cold-hardiness, thornless branches and stems, adaptability to various soil conditions, vigor and strength, absence of suckering, and ease of propagation by tissue culturing.
Read the full patent: US Plant Patent PP7251 in full — the complete specification, every figure, and the file history.