US Plant Patent PP7279

Celzam

Seedless hybrid maple tree named Celzam

PUBLIC DOMAIN

Patent expired July 24, 2007. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on December 27, 2008, but this patent ends 522 days earlier — a terminal disclaimer gives term back. A source that calculates twenty years from filing would tell you this plant is still protected when it is already free.

The record

Patent number: PP7279
Filed: December 27, 1988
Granted: July 24, 1990
Expires: July 24, 2007

Abstract

The present invention relates to a new and distinct variety of hybrid maple, which was discovered by me as a variant in a block of Acer on my cultivated property at Perry, Ohio. More particularly, the present invention relates to a novel cultivar of an Acer rubrum×Acer saccharinum cross having unusual and distinctive characteristics, now available as Celzam.

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

I claim: 1. A new and distinct variety of substantially seedless hybrid Acer, (maple tree), substantially as herein shown and described, characterized particularly be being substantially seedless, having rapid growth when young, and exhibiting an extremely dense upright structure.

Read the full patent: US Plant Patent PP7279 in full — the complete specification, every figure, and the file history.