Skip to content
The Patent Garden

US Plant Patent PP21603

MSA-31

St. Augustinegrass plant named ‘MSA-31’

UNDER PATENT

Still under patent. Protection ends November 14, 2028.

Twenty years from the filing date would end on May 22, 2028. This patent earned 176 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP21603, the photograph of MSA-31 printed in the patent.
Figure 1 from US Plant Patent PP21603, 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
PP21603
Filed
May 22, 2008
Granted
December 28, 2010
Expires
November 14, 2028
Assignee
UNIV MISSISSIPPI STATE
Inventor
PHILLEY H WAYNE; KRANS JEFFREY V; WATSON CLARENCE E

Abstract

St. Augustinegrass plant ‘MSA-31’ is a new and distinct variety of perennial St. Augustinegrass cultivar, characterized by its short and narrow leaf blades, fine leaf texture, short internode length and diameter, and superior turf quality and particularly turf density when grown under shade or dense shade. ‘MSA-31’ is also distinguished by its genetic color and fall and winter color characteristics.

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

1. A new and distinct variety of perennial St. Augustinegrass plant, substantially as herein illustrated and described.

Read the full patent: US Plant Patent PP21603 in full — the complete specification, every figure, and the file history.