I-beam mast

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of an I-beam mast, showing my new design in an extended position;

FIG. 2 is a perspective view thereof, illustrated in a collapsed position;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right-side view thereof, illustrated in the collapsed position;

FIG. 6 is a bottom plan view thereof, illustrated in the collapsed position;

FIG. 7 is a rear view thereof, illustrated in the collapsed position; and,

FIG. 8 is a right-side elevational view thereof, illustrated in the collapsed position and as in use on a vehicle.

The broken lines showing a truck and drilling equipment in FIG. 8 are included for the purpose of illustrating the invention in use, and form no part of the claimed design.

Claims

I claim the ornamental design for an I-beam mast, as shown and described.

Referenced Cited
U.S. Patent Documents
2035044 March 1936 Carle
D211266 June 1968 Zweifel et al.
D224980 October 1972 Sterner
D226559 March 1973 Sutphen
D231206 April 1974 Spain
D240719 July 1976 Gardenhour
D244709 June 14, 1977 Sano
4232610 November 11, 1980 Theurer
4397396 August 9, 1983 Kay et al.
4518090 May 21, 1985 Thomasson
D299179 December 27, 1988 Bernabe, Jr.
4988009 January 29, 1991 Atkinson
5140929 August 25, 1992 Gaspard
D348135 June 21, 1994 Goto et al.
D467403 December 17, 2002 Aquino
7231741 June 19, 2007 Norwood
20070246435 October 25, 2007 Crookston
20070256998 November 8, 2007 Kumar
Patent History
Patent number: D612565
Type: Grant
Filed: Jun 10, 2009
Date of Patent: Mar 23, 2010
Assignee: North Star Falcon Industries, LLC (Stillwater, OK)
Inventor: Scott B. Kusselson (Stillwater, OK)
Primary Examiner: Cynthia E Ramirez
Attorney: QuickPatents, Inc.
Application Number: 29/338,376
Classifications
Current U.S. Class: Boom (D34/36)