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The Patent Garden

US Plant Patent PP7927

Windsor

Cactaceae plant named `Windsor`

PUBLIC DOMAIN

Patent expired December 3, 2010. 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
PP7927
Filed
December 3, 1990
Granted
July 28, 1992
Expires
December 3, 2010

Abstract

A new and distinct plant variety of the Cactaceae family that is of the type known commercially as a "Christmas Cactus" has a growth habit which is similar to that of the "Lavender Doll" variety but which, nevertheless, differs among other things, by having phylloclades with shorter midribs, flowers that have wider tube forming tepals, a longer perianth tube with larger major and minor axes as well as longer styles and ovaries.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

We claim: 1. A new and distinct plant variety of the Cactaceae family as shown and described herein and which is mainly distinguished from its antecedents and known related varieties by growth characteristics that are similar to those of the "Lavender Doll" variety but as modified by the combination of characteristics which follows: (1) a more erect posture at maturity than the "Lavender Doll variety, (2) phylloclades which, in comparison to the "Lavender Doll" variety, have midribs with generally shorter length dimensions, (3) flowers which, in comparison to the "Lavender Doll" variety, have (a) a tube forming tepal series with generally greater maximum blade width dimensions, (b) a perianth tube with generally longer length dimensions and generally longer major and minor axes, (c) a gynoecium (pistil) with generally longer style dimensions, and (d) ovaries with generally longer length dimensions.

Read the full patent: US Plant Patent PP7927 in full — the complete specification, every figure, and the file history.