Blade plough
Symonds December 21, 1
U.S. patent number D267,320 [Application Number 06/092,108] was granted by the patent office on 1982-12-21 for blade plough. Invention is credited to Darrell C. Symonds.
| United States Patent | D267,320 |
| Symonds | December 21, 1982 |
Blade plough
Claims
A blade plough, substantially as shown and described.
| Inventors: | Symonds; Darrell C. (Welshpool, Western Australia, AU) |
|---|---|
| Appl. No.: | 06/092,108 |
| Filed: | November 7, 1979 |
Foreign Application Priority Data
| May 8, 1979 [AU] | 77779 | |||
| Current U.S. Class: | D15/11; 171/71; 171/80; 172/311; 172/720; D15/27 |
| Current International Class: | D1599 |
| Field of Search: | ;D15/11,27 ;171/71,80 |
References Cited [Referenced By]
U.S. Patent Documents
| D216143 | November 1969 | Cline |
Other References
|
John Deere, Drawn and Mounted Chisel Plows, Catalog, 10/11/77, p. 13.. |
Primary Examiner: O'Keefe; Veronica
Attorney, Agent or Firm: Oldham, Oldham, Hudak & Weber, Co.
Description
FIG. 1 is a front perspective view of the blade plough;
FIG. 2 is a rear oblique perspective view;
FIG. 3 is a rear perspective view with wings lowered;
FIG. 4 is a rear perspective view with wings raised;
FIG. 5 is a front view of one of the wings.
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