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US Plant Patent PP27918

Red Elf

Coreopsis plant named ‘Red Elf’

UNDER PATENT

Still under patent. Protection ends June 23, 2035.

Twenty years from the filing date would end on March 18, 2035. This patent earned 97 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP27918, the photograph of Red Elf printed in the patent.
Figure 1 from US Plant Patent PP27918, 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
PP27918
Filed
March 18, 2015
Granted
April 18, 2017
Expires
June 23, 2035
Assignee
PROBST DARRELL R
Inventor
PROBST DARRELL R

Abstract

A new cultivar of hybrid Coreopsis named ‘Red Elf’ that is characterized by its compact plant habit, its nearly sterile florets result in a floriferous and long bloom season that does not require deadheading with bloom commencing in late-June and lasting until frost in Connecticut, its large inflorescences with ray florets that are deep velvety red in color, its cold hardiness at least to U.S.D.A. Zone 5a, and its resistance to powdery mildew and leaf spot.

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

It is claimed: 1. A new and distinct cultivar of Coreopsis plant named ‘Red Elf’ as herein illustrated and described.

Read the full patent: US Plant Patent PP27918 in full — the complete specification, every figure, and the file history.