Hydraulic jack
Hung January 1, 1
U.S. patent number D313,492 [Application Number 07/280,996] was granted by the patent office on 1991-01-01 for hydraulic jack. Invention is credited to Michael Hung.
| United States Patent | D313,492 |
| Hung | January 1, 1991 |
Hydraulic jack
Claims
The ornamental design for a hydraulic jack, as shown and described.
| Inventors: | Hung; Michael (Taipei, TW) |
|---|---|
| Appl. No.: | 07/280,996 |
| Filed: | December 7, 1988 |
| Current U.S. Class: | D34/31 |
| Field of Search: | ;D34/31,28 ;254/8B,2B,1B,93H |
References Cited [Referenced By]
U.S. Patent Documents
| D284417 | June 1986 | Yamagishi |
| D285138 | August 1986 | Yamagishi |
| D296598 | July 1988 | Hung |
| 2108924 | May 1983 | GB | |||
| 2161137 | Jan 1986 | GB | |||
Attorney, Agent or Firm: Ladas & Parry
Description
FIG. 1 is a top and front perspective view of a hydraulic jack showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown; and
FIG. 7 is a top perspective view thereof showing the jack in use.
The broken lines are for illustrative purposes only and form no part of the claimed design.
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