Tube squaring tool

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Description

FIG. 1 is an upper left perspective view of the tube squaring tool showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

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

Referenced Cited
U.S. Patent Documents
D383960 September 23, 1997 Sandford et al.
3875831 April 1975 Beauloye
4319503 March 16, 1982 Saine et al.
4486129 December 4, 1984 Vowel
4739682 April 26, 1988 Birkestrand
5605083 February 25, 1997 Lupke et al.
5605084 February 25, 1997 Pierce
5671646 September 30, 1997 Sandford et al.
Other references
  • Tri Tool Brochure (1995) describing Model 302 Tube Squarer.
Patent History
Patent number: D407724
Type: Grant
Filed: Nov 14, 1997
Date of Patent: Apr 6, 1999
Assignee: Tri Tool Inc. (Rancho Cordova, CA)
Inventors: Mark A. Marshall (El Dorado Hills, CA), Marty E. Pound (Elk Grove, CA)
Primary Examiner: Antoine Duval Davis
Law Firm: Bacon & Thomas, PLLC
Application Number: 0/79,211
Classifications
Current U.S. Class: Turning, E.g., Lathe, Etc. (D15/130)
International Classification: 1509;