US Plant Patent PP15775

Blue Lake

Aster tataricus plant named ‘Blue Lake’

PUBLIC DOMAIN

Patent expired August 2, 2023. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on February 3, 2023. This patent earned 180 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP15775, the photograph of Blue Lake printed in the patent. — Figure 1 from US Plant Patent PP15775, 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: PP15775
Filed: February 3, 2003
Granted: May 24, 2005
Expires: August 2, 2023
Assignee: MIYOSHI & CO LTD
Inventor: HATANO SHOJI

Abstract

A new plant variety of Aster tataricus characterized by its late spring to early summer bloom season, a distinct blue cast of its ray flowers and its compactness, reaching a mature height of 2 to 3 feet tall.

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

1. A new variety of Aster tataricus plant substantially as shown and described.

Read the full patent: US Plant Patent PP15775 in full — the complete specification, every figure, and the file history.