US Plant Patent PP7553
Torquis
Douglas-fir tree "Torquis" variety
PUBLIC DOMAIN
Patent expired April 20, 2009. 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
- PP7553
- Filed
- April 20, 1989
- Granted
- June 11, 1991
- Expires
- April 20, 2009
Abstract
A new and distinct variety of Douglas-fir, Pseudotsuga menziesii, variety "Torquis", an intervarietal hybrid of coastal variety (Pseudotsuga menziesii var. menziesii) and inland variety (Pseudotsuga menziesii var. glauca), having generally upright growth with a curving, twisting, non-directional, at times corkscrew-like pattern to stem and branches, and smaller than average size, while retaining the foliage color and foliage character of a normal Douglas-fir, was discovered in a Douglas-fir test planting on a site near Grangeville, Id., and was asexually reproduced by rooting and grafting.
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 variety of Douglas-fir, Pseudotsuga menziesii, substantially as shown herein and described, characterized particularly by generally upright growth with a curving, twisting, non-directional, at times corkscrew-like pattern to stem and branches, and smaller than average size, while retaining the foliage color and foliage character of a normal Douglas-fir.
Read the full patent: US Plant Patent PP7553 in full — the complete specification, every figure, and the file history.