US Plant Patent PP5335
Regal
Elm tree called Regal
PUBLIC DOMAIN
Patent expired March 7, 2003. 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
- PP5335
- Filed
- March 7, 1983
- Granted
- November 13, 1984
- Expires
- March 7, 2003
- Assignee
- WISCONSIN ALUMNI RES FOUND
- Inventor
- SMALLEY EUGENE B; LESTER DONALD T
Abstract
An elm tree characterized by high resistance to the Dutch elm disease.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of elm tree called Regal as herein described and illustrated primarily characterized by its high resistance to Dutch elm disease and its columnar growth habit.
Read the full patent: US Plant Patent PP5335 in full — the complete specification, every figure, and the file history.