US Plant Patent PP33839
Quethucor
Thuja plant named ‘Quethucor’
UNDER PATENT
Still under patent. Protection ends December 30, 2040.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP33839
- Filed
- December 30, 2020
- Granted
- January 11, 2022
- Expires
- December 30, 2040
- Assignee
- GYOTOKU SHIGEMORI
- Inventor
- GYOTOKU SHIGEMORI
Abstract
A new and distinct variety of Thuja plant, referred to by its cultivar name, ‘Coral Queen’, is disclosed. The new variety forms attractive bright golden colored foliage turning to bright red in the fall and winter. Slow growing and compact growth habit is provided. The new variety is well suited for providing attractive ornamentation in the landscape.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct cultivar of Thuja plant characterized by the following combination of characteristics: (a) forms bright golden foliage color turning to bright red in fall and winter, and (b) provides slow growing and compact growth habit; substantially as herein shown and described.
Read the full patent: US Plant Patent PP33839 in full — the complete specification, every figure, and the file history.