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
Foreign Patent Documents
Other references
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. |
2409188 | September 1975 | DEX |
- 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
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
Current U.S. Class:
Construction Block Or Brick Type (17) (D25/113)