Interlocking paving block

Description

FIG. 1 is a top plan view of an interlocking paving block showing my new design.

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a left end elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 1.

FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 1.

Referenced Cited
U.S. Patent Documents
D28670 May 1898 Thomas
D888530 June 30, 2020 Pugh
3947192 March 30, 1976 Rosenberger
4128357 December 5, 1978 Barth et al.
4544305 October 1, 1985 Hair
4583341 April 22, 1986 Barth et al.
Foreign Patent Documents
2409188 September 1975 DEX
Other references
  • Kusel-form, Hermann Kusel GmbH, 1987, pp. 77 and 79, product catalog.
Patent History
Patent number: D312881
Type: Grant
Filed: Feb 22, 1989
Date of Patent: Dec 11, 1990
Inventor: Friedrich S. Naether (Freedom, IN)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Woodard, Emhardt, Naughton, Moriarity & McNett
Application Number: 7/314,210
Classifications