Rail sit-prevention unit

We claim the ornamental design for a rail sit-prevention unit, as shown and described.

FIG. 1 is a perspective view of a rail sit-prevention unit.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a side view thereof; and,

FIG. 5 is a top view thereof.

The broken lines showing environmental structural is for illustrative purposes only and form no part of the claim.

Patent	Priority	Assignee	Title
D977149,	Jul 01 2021		Daisy chain deck rail

Patent	Priority	Assignee	Title
3972510,	Jun 24 1974		Multi-bladed upright for a fence
4103875,	Sep 11 1975		Spear points for fence structure and method
4269008,	Nov 20 1978		Device to keep birds from alighting on buildings
D642654,	Oct 02 2009	ADNA-REESE LTD	Wall fence spike strip

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Nov 04 2011	JOHNSON, KIMBERLY	Curb Allure LLC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	027431	0174	pdf
Dec 09 2011	STAMPER, ANNE	Curb Allure LLC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	027431	0174	pdf
Dec 21 2011		Curb Allure LLC	(assignment on the face of the patent)

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