Patent
   D829347
Priority
May 20 2016
Filed
May 20 2016
Issued
Sep 25 2018
Expiry
Sep 25 2033
Assg.orig
Entity
unknown
0
6
n/a
The ornamental design for a buffering mechanism for an extension ladder, as shown and described.

FIG. 1 is a perspective view of a buffering mechanism for an extension ladder showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is left side elevation view thereof;

FIG. 5 is right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the buffering mechanism for an extension ladder and form no part of the claimed design.

Yin, Yelin

Patent Priority Assignee Title
Patent Priority Assignee Title
3369411,
4058018, Apr 15 1976 NIPPON CABLE SYSTEM INC , 12-28, SAKAEMACHI, 1-CHOME, TAKARAZUKA CITY, HYOGO-KEN, JAPAN 665 Pressure compensated flexible bellows
8291810, Jan 17 2008 Sunstream Corporation Hydraulic cylinder contamination prevention system
20140284140,
D315177, Jan 07 1988 Combi Co., Ltd. Toy accordion
D332667, Mar 19 1990 Ladder support
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Apr 25 2016YIN, YELINEASYTEC CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0386600024 pdf
May 20 2016EASYTEC CORPORATION(assignment on the face of the patent)
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