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US Plant Patent PP15915

Sterling

Aglaonema plant named ‘Sterling’

PUBLIC DOMAIN

Patent expired July 6, 2024. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on June 28, 2024. This patent earned 8 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP15915, the photograph of Sterling printed in the patent.
Figure 1 from US Plant Patent PP15915, 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
PP15915
Filed
June 28, 2004
Granted
August 9, 2005
Expires
July 6, 2024
Inventor
PARTHASARATHY GOPALASWAMY; MUKUNDAN PARTHASARATHY

Abstract

A new and distinct cultivar of Aglaonema plant named ‘Sterling’, characterized by its upright and outwardly arching plant form; vigorous growth habit; freely clumping habit; full, dense and bushy plant appearance; undulate lanceolate leaves with acuminate apices; leaves positioned roughly horizontally; unique leaf coloration; upper leaf surfaces lustrous silvery gray green-colored with sparse lighter silvery gray green-colored flecks and chevrons; lower leaf surfaces medium green-colored; green-colored leaf petioles with sparse and random pale yellow-colored spots and streaks; and tolerance to low temperatures.

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

1. A new and distinct cultivar of Aglaonema plant named ‘Sterling’, as illustrated and described.

Read the full patent: US Plant Patent PP15915 in full — the complete specification, every figure, and the file history.