US Plant Patent PP19181
ABFSS
Trident maple tree named ‘ABFSS’
PUBLIC DOMAIN
Patent expired June 29, 2026. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on December 14, 2025. This patent earned 197 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP19181
- Filed
- December 14, 2005
- Granted
- September 2, 2008
- Expires
- June 29, 2026
- Assignee
- SOUTHERN SELECTIONS LLC
- Inventor
- MOON DWAYNE C
Abstract
A Trident maple ( Acer buergerianum ) named ‘ABFSS,’ which has an upright fastigiate canopy and is capable of being reproduced reliably from vegetative cuttings.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of Trident maple tree ( Acer buergerianum ) named ‘ABFSS’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP19181 in full — the complete specification, every figure, and the file history.