Agricultural sweep

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Information

Patent Grant
D288689

References
Source

Patent Number
D288,689
Date Filed
Tuesday, July 19, 1983
41 years ago
Date Issued
Tuesday, March 10, 1987
37 years ago

Inventors
- William M. Johnson
Original Assignees
- Ralph McKay Limited
Examiners
- Bullock; B. J.
Agents
- Christel, Bean & Linihan

US Classifications
- D15 - Machines not elsewhere specified
Field of Search
- US
- D15 10
- D15 11
- D15 28
- D15 29
- 172 724
- 172 730
- 172 765
- 172 771
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an agricultural sweep, as shown.

Non-Patent Literature Citations (2)

Entry
Implement; Tractor, Mar. 31, 1981, p. 47, McKay Dart Sweep in upper top of page.
Implement; Tractor, Jul. 15, 1982, p. 24, Empire Sweep in upper right corner.