US Plant Patent PP9638
Castleton
Plum cultivar `Castleton`
PUBLIC DOMAIN
Patent expired November 4, 2013. 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
- PP9638
- Filed
- November 4, 1993
- Granted
- September 3, 1996
- Expires
- November 4, 2013
- Assignee
- CORNELL RES FOUNDATION INC
- Inventor
- WATSON JOHN P; ANDERSEN ROBERT L; LIVERMORE KENNETH G
Abstract
A new distinctive cultivar of plum (Prunus domestica) named `Castleton` (formerly tested as NY 66.609.4) which is exceptional in combining (1) high quality, attractive dark purple fruit capable of achieving in mid-August sufficient color for commercial fresh markets, (2), a tree habit that has fewer lateral and secondary lateral branches than other competing commercial cultivars and which facilitates ease of harvesting, and (3) fruit quality and pit conformation traits coupled with consistent, high yield potential which favor it for commercial processing uses.
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 plum tree as herein described and illustrated.
Read the full patent: US Plant Patent PP9638 in full — the complete specification, every figure, and the file history.