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The Patent Garden

US Plant Patent PP28178

Blue Knight

Buddleia plant named ‘Blue Knight’

UNDER PATENT

Still under patent. Protection ends May 31, 2036.

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 PP28178, the photograph of Blue Knight printed in the patent.
Figure 1 from US Plant Patent PP28178, 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
PP28178
Filed
May 31, 2016
Granted
July 11, 2017
Expires
May 31, 2036
Assignee
WALTERS GARDENS INC, HANSEN HANS A
Inventor
HANSEN HANS A

Abstract

Buddleia ‘Blue Knight’ is a multiple-stemmed, densely-branched, short, compact, round-mounded habit, winter-hardy butterfly bush with many-flowered, long, thin thyrse over a long season beginning late-summer and continuing until about frost from soil line to top of plant. The sweetly fragrant dark purple flowers that are attractively offset by dark green foliage with silvery tomentose undersides.

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

The invention claimed is: 1. A new cultivar of winter-hardy butterfly bush Buddleia plant named ‘Blue Knight’ as herein illustrated and described, especially suitable for potted plant culture, landscaping as a specimen or en masse or as cut flower purposes.

Read the full patent: US Plant Patent PP28178 in full — the complete specification, every figure, and the file history.