US Plant Patent PP21842
Apple Slice
Dianthus plant named ‘Apple Slice’
UNDER PATENT
Still under patent. Protection ends August 16, 2029.
Twenty years from the filing date would end on August 7, 2029. This patent earned 9 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21842
- Filed
- August 7, 2009
- Granted
- April 5, 2011
- Expires
- August 16, 2029
- Assignee
- WALTERS GARDENS INC
- Inventor
- HURD KEVIN A
Abstract
The new and distinct cultivar of perennial Carnation or Pinks, Dianthus plant named ‘Apple Slice’ with long-blooming, fragrant, highly double flowers and petals with a central rose pink zone surrounded on the outside and usually bisected down the middle with a magenta border. Dianthus ‘Apple Slice’ is tolerant of high temperatures and resists center dying out.
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 perennial Carnation or Pinks, Dianthus plant named ‘Apple Slice’ as herein described and illustrated, with fragrant highly double flowers, petals with a central rose pink zone surrounded on the outside and usually bisected down the middle with a magenta border, tolerant of high temperatures, resistant to center die out and suitable as a garden ornamental, potted plant and for cut flower arrangements.
Read the full patent: US Plant Patent PP21842 in full — the complete specification, every figure, and the file history.