Port plug for hydraulic cylinders
Wilson , et al. November 17, 1
U.S. patent number D331,064 [Application Number 07/527,781] was granted by the patent office on 1992-11-17 for port plug for hydraulic cylinders. This patent grant is currently assigned to Deere & Company. Invention is credited to Gregory J. McKenzie, Tyrone A. Wilson.
| United States Patent | D331,064 |
| Wilson , et al. | November 17, 1992 |
Port plug for hydraulic cylinders
Claims
The ornamental design for a port plug for hydraulic cylinders, as shown.
| Inventors: | Wilson; Tyrone A. (Davenport, IA), McKenzie; Gregory J. (East Moline, IL) |
|---|---|
| Assignee: | Deere & Company (Moline,
IL) |
| Appl. No.: | 07/527,781 |
| Filed: | May 18, 1990 |
| Current U.S. Class: | D15/5; D8/387 |
| Field of Search: | ;D15/1-9.1 ;D8/387 ;411/968 ;235/94R |
References Cited [Referenced By]
U.S. Patent Documents
| D243510 | March 1977 | Shirey et al. |
| D243582 | March 1977 | Shirey |
| D317862 | July 1991 | Yamamoto |
| 4568228 | February 1986 | Rosan, Jr. |
| 4701089 | October 1987 | Nettel |
Assistant Examiner: Seifert; R.
Description
FIG. 1 is a top plan view of a port plug for hydraulic cylinders showing our new design;
FIG. 2 is a side elevational view;
FIG. 3 is a bottom plan view; and,
FIG. 4 is a cross sectional view taken along lines 4--4 of FIG. 1.
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