Tri-cushioning sock

- Renfro Corporation
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FIG. 1 is a first front perspective view of a tri-cushioning sock according to an embodiment of the present invention having distinct areas at or about the toe, the heel and the ankle of a wearer's foot, wherein those three areas can be made of different materials, e.g., cotton, acrylic, tactel, and nylon;

FIG. 2 is a back side perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a second front perspective view thereof with the sock in an alternative position; and,

FIG. 6 is a bottom perspective view thereof.

The portions showing broken lines are not part of the claimed invention, but are included to show environment.


An ornamental design for a tri-cushioning sock, as shown and described.

Referenced Cited
U.S. Patent Documents
2144563 January 1939 Davis
D275715 October 2, 1984 Boone
D296494 July 5, 1988 Woodard
D392795 March 31, 1998 Ogden
D429879 August 29, 2000 Cortinovis
D430390 September 5, 2000 Cortinovis
Patent History
Patent number: D484302
Type: Grant
Filed: Aug 2, 2002
Date of Patent: Dec 30, 2003
Assignee: Renfro Corporation (Mount Airy, NC)
Inventor: Cindy Jones Dickson (Mount Airy, NC)
Primary Examiner: Paula A. Mortimer
Attorney, Agent or Law Firm: Kilpatrick Stockton LLP
Application Number: 29/164,869
Current U.S. Class: D2/994; D2/980
International Classification: 0204;