US Plant Patent PP6228
Rosebud Maple
PUBLIC DOMAIN
Patent expired March 31, 2006. This plant is in the public domain — anyone may propagate and sell it.
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
- PP6228
- Filed
- March 31, 1986
- Granted
- July 19, 1988
- Expires
- March 31, 2006
- Inventor
- TUNNEY THOMAS G
No cultivar name of record
This patent does not name the plant. Through the 1980s and early 1990s that was still common: naming every new cultivar only became standard practice as plants began to be marketed under brand names. The grant identifies this one by its number and by a written description instead.
Nothing here is missing from our records: the patent itself states no name. Where one exists we show it, and we do not invent one.
Abstract
A Norway Maple tree having new foliage of a red** color, turning dark green* with maturity.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. The Norway Maple (Acer platanoides) tree herein described characterized by the red** key terminal growth holding through the entire growing season.
Read the full patent: US Plant Patent PP6228 in full — the complete specification, every figure, and the file history.