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US Plant Patent PP23674

Delta

Hop plant named ‘Delta’

UNDER PATENT

Still under patent. Protection ends March 1, 2031.

Twenty years from the filing date would end on February 16, 2031. This patent earned 13 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP23674, the photograph of Delta printed in the patent.
Figure 1 from US Plant Patent PP23674, 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
PP23674
Filed
February 16, 2011
Granted
June 18, 2013
Expires
March 1, 2031
Inventor
JESKE ROGER D; MATTHEWS PAUL D

Abstract

A new and distinct aroma variety of hop plant, Humulus lupulus L., named ‘Delta’ is characterized by its good cone yield, nice aroma (characterized as mild citrus/spice), 1:1 ratio of alpha-acids to beta-acids, low CoH, high Linalool, good storage stability, and resistance to hop powdery mildew. The new variety resulted from cross-pollination performed in 2003 in a field in Prosser, Wash., United States and has been asexually reproduced in a nursery in Prosser, Wash., United States.

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

We claim: 1. A new and distinct aroma hop plant, named ‘Delta’ as herein described and illustrated.

Read the full patent: US Plant Patent PP23674 in full — the complete specification, every figure, and the file history.