Tower chair

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Description

FIG. 1 is a perspective view of a tower chair of the present invention;

FIG. 2 is a top plan view of the tower chair of FIG. 1;

FIG. 3 is a front elevational view of the tower chair of FIG. 1, with the back, right and left elevational views being identical;

FIG. 4 is a bottom plan view of the tower chair of FIG. 1;

FIG. 5 is a perspective view of the tower chair of FIG. 1, illustrating an exemplar head piece attached to the top of the tower chair;

FIG. 6 is a perspective view of a tower chair of a second embodiment of the present invention;

FIG. 7 is a top plan view of the tower chair of FIG. 6;

FIG. 8 is a front elevational view of the tower chair of FIG. 6, with the back, right and left elevational views being identical;

FIG. 9 is a bottom plan view of the tower chair of FIG. 6;

FIG. 10 is a perspective view of the tower chair of FIG. 1, illustrating an exemplar head piece attached to the top of the tower chair;

FIG. 11 is a perspective view of a tower chair of a third embodiment of the present invention;

FIG. 12 is a top plan view of the tower chair of FIG. 11;

FIG. 13 is a front elevational view of the tower chair of FIG. 11, with the back, right and left elevational views being identical;

FIG. 14 is a bottom plan view of the tower chair of FIG. 11; and,

FIG. 15 is a perspective view of the tower chair of FIG. 11, illustrating an exemplar head piece attached to the tower chair.

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

Referenced Cited
U.S. Patent Documents
D334133 March 23, 1993 Hartzheim
D388312 December 30, 1997 Sorkin
D394200 May 12, 1998 Hartzheim
3255565 June 1966 Menzel
3693310 September 1972 Middleton
3830032 August 1974 Robb
4000591 January 4, 1977 Courtois
4483119 November 20, 1984 Hernandez
4655023 April 7, 1987 Yung
4682461 July 28, 1987 Sizemore
4756641 July 12, 1988 Hartzheim
5107654 April 28, 1992 Leonardis
5201869 April 13, 1993 Roethel
5222628 June 29, 1993 Roethel
5555693 September 17, 1996 Sorkin
Foreign Patent Documents
227969 May 1960 AUX
1 186 162 April 1985 CAX
575043 January 1946 SEX
1 428 675 May 1972 GBX
1 276 874 June 1972 GBX
Other references
  • Product brochure from International Plastics, Corp. of Nicholasville, Kentucky for X High Chair, X Bar Chair and Joist Chair (1991). Product brochure from Spillman of Columbus, Ohio for Plasclips, Meshclips and Plaschair (1994). Product brochure from General Technologies, Inc. of Stafford, Texas for Reinforcing Bar Supports (1997 Price List). Product brochure from Aztec Concrete Accessories, Inc. of Fontana, California for Adjustable Screed Chair (Dec. 1, 1997).
Patent History
Patent number: D421709
Type: Grant
Filed: Oct 2, 1998
Date of Patent: Mar 21, 2000
Assignee: Aztec Concrete Accessories, Inc. (Fontana, CA)
Inventors: Dale Haslem (Canyon Lake, CA), G. Douglas Hartzheim (Fontana, CA), Steve Wilbur (Chino, CA), Marty Lancial (San Bernardino, CA)
Primary Examiner: Doris Clark
Law Firm: Knobbe, Martens, Olson & Bear, LLP
Application Number: 0/94,467
Classifications
Current U.S. Class: D/8354
International Classification: 0805;