Patent
   D813417
Priority
Dec 02 2016
Filed
Dec 02 2016
Issued
Mar 20 2018
Expiry
Mar 20 2033
Assg.orig
Entity
unknown
4
8
n/a
The ornamental design for a rung lock for a ladder, as shown and described.

FIG. 1 is an upper perspective view of a rung lock for a ladder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is a bottom perspective view thereof.

Carrera, Abelardo

Patent Priority Assignee Title
D888995, Jan 31 2019 Ladder mounted device and system
D915622, Jan 10 2018 NIKKEN LEASE KOGYO CO , LTD Locking member of horizontal supporter for scaffolds
D917724, May 14 2019 WERNER CO J lock
D937068, Jul 08 2019 HARTING ELECTRIC GMBH & CO KG Locking device
Patent Priority Assignee Title
1059340,
1113413,
2388415,
3565211,
4299306, Dec 07 1979 EMERSON ELECTRIC COMPANY, A CORP OF MO Extension ladder lock
5117943, Sep 25 1991 Emerson Electric Co Rung lock assembly for an extension ladder
5429207, Feb 17 1994 LOUISVILLE LADDER INC Rung lock and latch assembly for an extension ladder
58734,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 02 2016LOUISVILLE LADDER INC.(assignment on the face of the patent)
Dec 21 2016CARRERA, ABELARDOLOUISVILLE LADDER INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0409440477 pdf
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