Self leveling rotary laser

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Description

FIG. 1 is a top view of a new design for a self leveling rotary laser according to our invention;

FIG. 2 is a front view thereof;

FIG. 3 is a perspective view illustrating the front and left view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is another perspective view illustrating the right and rear view thereof; and,

FIG. 6 is a right view thereof.

Claims

The ornamental design for a self leveling rotary laser, as shown and described.

Referenced Cited
U.S. Patent Documents
3936197 February 3, 1976 Aldrink et al.
4062634 December 13, 1977 Rando et al.
4679937 July 14, 1987 Cain et al.
5644850 July 8, 1997 Costales
5680208 October 21, 1997 Butler et al.
5983510 November 16, 1999 Wu et al.
D418432 January 4, 2000 Krantz
Other references
  • Levelite Technology Inc. laser level literature.
  • Hilti PR Series laser level literature.
  • Sokkia LP21-LP22 laser level literature.
  • Bosch BL 50 R laser level literature.
  • Bosch BL 100 VHR laser level literature.
  • Topcon laser level brochure.
  • Topcon RL-VH3 laser level literature.
  • Topcon RL-H1S/H2S laser level literature.
  • Topcon RL-VH laser level literature.
  • Topcon RL-H/RL-60 Series laser level literature.
  • Topcon RL-VH3 Series laser level literature.
  • Pro Shot laser level literature.
  • David White Auto Laser laser level literature.
  • Laser Alignment LB-1000 laser level literature.
  • Pacific Laser laser level literature, Jan. 24, 2001.
  • Toolz, Inc. laser level literature.
Patent History
Patent number: D470424
Type: Grant
Filed: Mar 27, 2002
Date of Patent: Feb 18, 2003
Assignee: Chicago Steel Tape Company (Watseka, IL)
Inventors: James C. Hand (Glen Ellyn, IL), Michael M. Zhang (Schaumburg, IL)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firm: Lee, Mann, Smith, McWilliams, Sweeney and Ohlson
Application Number: 29/157,981
Classifications
Current U.S. Class: Spirit Level (D10/69)
International Classification: 1004;