Lifting jack

- Yasui Sangyo Co., Ltd.
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Description

FIG. 1 is a left, rear perspective view of a lifting jack showing my new design;

FIG. 2 is a right front perspective view thereof;

FIG. 3 is a left rear perspective view thereof in raised condition; and

FIG. 4 is a right front perspective view of FIG. 3.

Referenced Cited
U.S. Patent Documents
3521861 July 1970 Freudenthal et al.
Other references
  • 1965 National Petroleum News Factbook Issue, p. 41, All Purpose Jack, top left side of page.
Patent History
Patent number: D272287
Type: Grant
Filed: Jun 3, 1981
Date of Patent: Jan 17, 1984
Assignee: Yasui Sangyo Co., Ltd. (Shizuoka)
Inventor: Tamotsu Kameda (Shizuoka)
Primary Examiner: James M. Gandy
Law Firm: Lackenbach, Siegel, Marzullo, Presta & Aronson
Application Number: 6/270,138
Classifications
Current U.S. Class: Jack Or Jackstand (D34/31)
International Classification: D1205;