Trolley jack

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Description

FIG. 1 is a perspective view showing the design of a trolley jack with a handle wherein a lift bar is shown in broken lines;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view thereof.

The broken line showing of the handle in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.

Claims

The ornamental design for a trolley jack.

Referenced Cited
U.S. Patent Documents
D109498 May 1938 Pfauser
D109499 May 1938 Pfauser
D253696 December 18, 1979 Suzuki
D263128 February 23, 1982 Glover, Jr. et al.
D272670 February 14, 1984 Tsujimura
D296598 July 5, 1988 Hung
D332337 January 5, 1993 Wang
D358923 May 30, 1995 Hawkins
D364026 November 7, 1995 Hung
D398730 September 22, 1998 Lin
D416370 November 9, 1999 Hung
D421516 March 7, 2000 Hung
D423750 April 25, 2000 Hung
4018421 April 19, 1977 Tallman
4846443 July 11, 1989 Collins et al.
4850568 July 25, 1989 Hung
5042777 August 27, 1991 Appelbaum
5201494 April 13, 1993 Lundman
5221073 June 22, 1993 Shockley
5551668 September 3, 1996 Hung
5878996 March 9, 1999 Loan
Patent History
Patent number: D442345
Type: Grant
Filed: Apr 10, 2000
Date of Patent: May 15, 2001
Assignee: Test Rite Products Corporation (Buena Park, CA)
Inventors: Judy Lee (Kowloon), Johnny Chang (Redmond, WA)
Primary Examiner: Cynthia E Ramirez
Attorney, Agent or Law Firms: Sheppard, Mullin, Richter & Hampton LLP, James R. Brueggemann
Application Number: 29/121,624
Classifications
Current U.S. Class: Jack Or Jackstand (D34/31)
International Classification: 1205;