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US Plant Patent PP15576

Ozark

Bermudagrass hybrid named ‘Ozark’

PUBLIC DOMAIN

Patent expired December 5, 2022. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on January 17, 2023, but this patent ends 43 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.

Figure 1 of US plant patent PP15576, the photograph of Ozark printed in the patent.
Figure 1 from US Plant Patent PP15576, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP15576
Filed
January 17, 2003
Granted
February 22, 2005
Expires
December 5, 2022
Assignee
UNIV OKLAHOMA STATE
Inventor
RICHARDSON WILLIAM L; TALIAFERRO CHARLES M

Abstract

The variety “Ozark” is a new and distinct hybrid bermudagrass variety. The plant was derived from an F1 hybrid cross of bermudagrass varieties A9959דCoastal.” “Ozark” has relatively tall, upright growth and exhibits superior cold tolerance relative to previous bermudgrass varieties, yielding well in the northern part of the bermudagrass belt.

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

1. A new and distinct hybrid bermudagrass plant as illustrated and described herein.

Read the full patent: US Plant Patent PP15576 in full — the complete specification, every figure, and the file history.