US Plant Patent PP5309
Esther
Avocado tree--"Esther"
PUBLIC DOMAIN
Patent expired February 18, 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
- PP5309
- Filed
- February 18, 1983
- Granted
- October 30, 1984
- Expires
- February 18, 2003
- Assignee
- UNIV CALIFORNIA
- Inventor
- WHITSELL ROBERT H
Abstract
A new and distinct variety of avocado tree characterized by its high productivity (about twice that of `Hass`) and its late bearing season (from about August into December) and further characterized by its tree growth which is only about two-thirds the size of `Hass` and is rounded and quite uniform in outline.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. The new and distinct variety of avocado tree herein described and illustrated and identified by the characteristics enumerated above.
Read the full patent: US Plant Patent PP5309 in full — the complete specification, every figure, and the file history.