Self leveling rotary laser
Latest Chicago Steel Tape Company Patents:
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
Other references
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 |
- Levelite Technology Inc. laser level literature.
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- 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
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