US Plant Patent PP4616
Pear tree
PUBLIC DOMAIN
Patent expired April 20, 1999. 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
- PP4616
- Filed
- April 20, 1979
- Granted
- January 6, 1981
- Expires
- April 20, 1999
- Assignee
- HENRY FIELD SEED AND NURSERY C
- Inventor
- TURNBULL KENNETH L; HYBSKMANN DANIEL K
No cultivar name of record
This patent does not name the plant. Through the 1980s and early 1990s that was still common: naming every new cultivar only became standard practice as plants began to be marketed under brand names. The grant identifies this one by its number and by a written description instead.
Nothing here is missing from our records: the patent itself states no name. Where one exists we show it, and we do not invent one.
Abstract
A new variety of pear tree primarily distinguished by bearing extremely large fruit of globular-to-ovate form, weighing over two pounds in normal years and having a distinctive taste.
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 pear tree, substantially as shown and described herein, distinguished by the physical characteristics of the fruit including its size, shape and taste.
Read the full patent: US Plant Patent PP4616 in full — the complete specification, every figure, and the file history.