Road surface aperture frame

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Description

FIG. 1 is a top perspective view of a road surface aperture frame incorporating the design:

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D336524 June 15, 1993 White et al.
660731 October 1900 McLam
1384712 July 1921 Shanley
2021759 November 1935 White
3858998 January 1975 Larsson
4013374 March 22, 1977 Weiler et al.
4015373 April 5, 1977 Boissier
4145151 March 20, 1979 Helms
4364689 December 21, 1982 Dumortier
4454039 June 12, 1984 McCoy
4553874 November 19, 1985 Thomann et al.
4723866 February 9, 1988 McCauley
4763449 August 16, 1988 Vigneron et al.
4934715 June 19, 1990 Johnson
4976568 December 11, 1990 Hess
5106231 April 21, 1992 Thomann
5195590 March 23, 1993 Kenner
5295535 March 22, 1994 Boles et al.
5318376 June 7, 1994 Prescott, Sr.
5324135 June 28, 1994 Smith
5470170 November 28, 1995 Lindner
5482400 January 9, 1996 Bavington
5507590 April 16, 1996 Argandona
5536110 July 16, 1996 Tompkins et al.
5611640 March 18, 1997 Bowman
5628152 May 13, 1997 Bowman
Other references
  • Ontario Provincial Standard Drawing OPSD-400.070, Sep. 7, 1993. Ontario Provincial Standard Drawing OPSD-401.040, Sep. 7, 1993. Ontario Provincial Standard Drawing OPSD-401.050, Sep. 7, 1993. CSA Standard C83, Item M-1, 27-Inch Manhole Frame and Cover, 1970. CSA Standard C83, Item M-2, 30-Inch Manhole Frame and Cover, 1970. Ontario Provincial Standard Drawing OPSD-401.060, Sep. 7, 1993. Ontario Provincial Standard Drawing OPSD-402.020, Sep. 7, 1993. Municipality of Metropolitan Toronto, Department of Works, Drawing No. CA-90R (W.S.), Jun., 1992.
Patent History
Patent number: D428159
Type: Grant
Filed: Feb 11, 1999
Date of Patent: Jul 11, 2000
Assignee: Archie McCoy Ltd.
Inventors: Harry McCoy (Troy), Jean McCoy (Troy), Brian W. Morison (Hamilton)
Primary Examiner: Doris Clark
Law Firm: Rothwell, Figg, Ernst & Kurz, p.c.
Application Number: 0/100,457
Classifications
Current U.S. Class: Architectural Stock Material (D25/102)
International Classification: 2501;