US Plant Patent PP5716
Esprit
Grapevine
PUBLIC DOMAIN
Patent expired August 29, 2004. 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
- PP5716
- Filed
- August 29, 1984
- Granted
- April 15, 1986
- Expires
- August 29, 2004
- Assignee
- SWENSON SMITH VINES INC
- Inventor
- SWENSON ELMER
Abstract
A grapevine which exhibits excellent cultural characteristics such as resistance to mildew, winter hardiness down to -28° Fahrenheit, open canopy, and grapes which produce an excellent white wine which is absent of labrusca flavor and aroma typical of such hardy varieties.
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 grapevine, substantially as shown and described herein, characterized particularly as to novelty by the unique combination of winter hardiness down to -28° Fahrenheit, producing white grapes which have produced superior wine, and grapes with relatively low acidity, average sugar content and a flavor and aroma absent from the typical foxiness or labrusca usually found in such hardy varieties.
Read the full patent: US Plant Patent PP5716 in full — the complete specification, every figure, and the file history.