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The Patent Garden

US Plant Patent PP6006

Howard Sun

Plum tree, "Howard Sun"

PUBLIC DOMAIN

Patent expired November 27, 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
PP6006
Filed
November 27, 1985
Granted
September 8, 1987
Expires
November 27, 2005
Inventor
CHAMBERLIN SR THOMAS O

Abstract

A new and distinct variety of plum tree which is characterized by fruit which has a deep blue, almost black skin color and which possesses a yellow-colored flesh, the fruit having excellent shipping and storage qualities.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

Having thus described and illustrated my new variety of plum tree, I claim: 1. A new and distinct variety of plum tree substantially as illustrated and described which is distinguished by producing fruit which matures late in the season, approximately Aug. 25 through 28 at Del Rey, Calif., and which bears a dark blue, almost black-colored fruit which is heart-shaped in appearance and has a firm texture which makes the fruit easy to handle and ship, and furthermore which has excellent cold storage characteristics.

Read the full patent: US Plant Patent PP6006 in full — the complete specification, every figure, and the file history.