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US Plant Patent PP36629

Frank Whitbeck Hime Korai

Zoysiagrass named ‘Frank Whitbeck Hime Korai’

UNDER PATENT

Still under patent. Protection ends February 22, 2044.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

Figure 1 of US plant patent PP36629, the photograph of Frank Whitbeck Hime Korai printed in the patent.
Figure 1 from US Plant Patent PP36629, 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
PP36629
Filed
February 22, 2024
Granted
April 22, 2025
Expires
February 22, 2044
Assignee
WINROCK GRASS FARM INC, WINROCK GRASS FARMS INC
Inventor
WHITBECK FRANK BUTTERFIELD

Abstract

A new and distinct variety of matrella Zoysiagrass named “Frank Whitbeck Hime Korai” is characterized by an ultradwarf leaf canopy with exceptional density at lower golf green mowing heights, extremely high tolerance to summer heat and winter cold, even at lower golf green mowing heights, exceptional four-season green color retention, an exceptional year-round plant health in both full sunshine and shade, even in lower golf green mowing heights, exceptional natural resistance to cool season and warm season weeds, including contamination from other grasses, exceptional natural resistance to plant diseases and pests, exceptionally low need for fertilization, especially nitrogen, at all mowing heights, and exceptionally fast recovery from divot injury, sod harvesting and foot traffic wear.

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 matrella Zoysiagrass named “Frank Whitbeck Hime Korai”, as herein illustrated and described.

Read the full patent: US Plant Patent PP36629 in full — the complete specification, every figure, and the file history.