Interlocking paving block
United States Patent D312881
US Patent References:
/D028670.html
Thomas - May, 1898 - D028670

/D888530.html
Pugh - May, 1908 - D888530

Paving block
Rosenberger - March, 1976 - 3947192

Slab-elements for covering the ground
Barth et al. - December, 1978 - 4128357

Interlocking slab element for covering the ground and the like
Hair - October, 1985 - 4544305


Inventors:
Naether, Friedrich S. (Highway 67, Box 140B, Freedom, IN, 47431)
Application Number:
D/314210
Publication Date:
12/11/1990
Filing Date:
02/22/1989
View Patent Images:
Primary Class:
Field of Search:
D25/112, D25/113, D25/115-118, D25/151, D25/163, D25/150, D25/158, D25/160-162, 52/387, 52/392, 52/589-590, 52/604-605, 52/608-609, 404/34, 404/38-39, 404/41-42, 404/46
US Patent References:
4583341Interlocking ground covering elements and arrangements of them for mechanical layingApril, 1986Barth et al.
Foreign References:
DE2409188September, 1975
Other References:
Kusel-form, Hermann Kusel GmbH, 1987, pp. 77 and 79, product catalog.
Primary Examiner:
Word, Hugo A.
Assistant Examiner:
Clark, Doris
Attorney, Agent or Firm:
Woodard, Emhardt, Naughton, Moriarity & McNett
Claims:
1. The ornamental design for the interlocking paving block, as shown anddescribed.

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.