Bolster bar

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Description

FIG. 1 is a perspective view of a bolster bar of the present invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof with the back elevational view being identical;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an enlarged left side elevational view thereof; and,

FIG. 6 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D246826 January 3, 1978 Ilukowicz
D254168 February 12, 1980 Ilukowicz
D354672 January 24, 1995 Van De Peer
4942714 July 24, 1990 Langley, Jr. et al.
Other references
  • Product brochure from Seifert Abstandhalter for a telefix with connecting device (1976). Product brochure from Spillman of Columbus, Ohio for Slab Bolster. Apr. 1994. Product brochure from Guenette in Quebec, Canada for Reinforcing Steel Support. Nov. 1988. Product brochure from International Plastics, Corp. of Nicholasville, Kentucky for Slab/Beam Bolster. (1991). Product brochure from Conac Accessories, Inc. of Norcross, Georgia for U-FIX Slab Bolster and SEMIFIX--Beam Bolster. (1995). Product brochure from Medco Steel Products for Reinforcing Bar Supports. (Jan. 2, 1996). Product brochure from Hammerl. (1992). Product brochure from Seifert. (1992).
Patent History
Patent number: D393997
Type: Grant
Filed: May 7, 1996
Date of Patent: May 5, 1998
Inventor: G. Douglas Hartzheim (Yucaipa, CA)
Primary Examiner: Holly Baynham
Law Firm: Knobbe, Martens, Olson & Bear, LLP
Application Number: 0/54,169
Classifications
Current U.S. Class: D/8354
International Classification: 0805;