Four point extrusion

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Information

Patent Grant
D318926

References
Source

Patent Number
D318,926
Date Filed
Tuesday, February 16, 1988
36 years ago
Date Issued
Tuesday, August 6, 1991
33 years ago

Inventors
- Terence Gibbs
Original Assignees
- Omni Products International, Inc.
Examiners
- Word; A. Hugo
- Clark; Doris
Agents
- Lerner, David, Littenberg, Krumholz & Mentlik

US Classifications
- D25 - Building units and construction elements
Field of Search
- US
- D25 119
- D25 122
- D25 124
- 052 177
- 052 179
- 052 180-181
- 052 716-718
- 052 729-732
- 297 445
- 297 450-451
- 297 DIG 2
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a four point extrusion, as shown and described.

US Referenced Citations (1)

Number	Name	Date	Kind
D287284	Pavy	Dec 1986

Non-Patent Literature Citations (2)

Entry
Van Hoffel Tube Co. dated 1-1953, p. 73, Item located top of page, second from right #2434/.017.
Van Hoffel Tube Co. dated 1-1953, p. 47, top of page, third item from left of page, #2507/.020.