US Plant Patent PP6227
Independence
Elm tree named Independence
PUBLIC DOMAIN
Patent expired October 15, 2005. 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
- PP6227
- Filed
- October 15, 1985
- Granted
- July 19, 1988
- Expires
- October 15, 2005
- Assignee
- ELM RESEARCH INST
- Inventor
- SMALLEY EUGENE B; LESTER DONALD T
Abstract
An elm tree characterized by high resistance to Dutch Elm Disease.
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 elm tree as shown and described herein primarily characterized by a short period of susceptibility to Dutch Elm Disease, vigorous growth rate, and ease of propagation.
Read the full patent: US Plant Patent PP6227 in full — the complete specification, every figure, and the file history.