Revetment block
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Description
FIG. 1 is a top perspective view of my new revetment block;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is an end view thereof;
FIG. 6 is a side view thereof;
FIG. 7 is a top perspective view of another embodiment thereof;
FIG. 8 is a bottom perspective view of the embodiment shown in FIG. 7.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 472590 | April 1892 | Simpson |
| 3221614 | December 1965 | Pertien |
| 3873225 | March 1975 | Jakobsen et al. |
| 4269537 | May 26, 1981 | O'Neill |
| 164633 | November 1949 | ATX |
Patent History
Patent number: D284514
Type: Grant
Filed: Apr 11, 1983
Date of Patent: Jul 1, 1986
Assignee: Atlas Corporation (Princeton, NJ)
Inventor: Francis M. McPoyle (Maple Glen, PA)
Primary Examiner: A. Hugo Word
Law Firm: Seidel, Gonda, Goldhammer & Abbott
Application Number: 6/484,115
Type: Grant
Filed: Apr 11, 1983
Date of Patent: Jul 1, 1986
Assignee: Atlas Corporation (Princeton, NJ)
Inventor: Francis M. McPoyle (Maple Glen, PA)
Primary Examiner: A. Hugo Word
Law Firm: Seidel, Gonda, Goldhammer & Abbott
Application Number: 6/484,115
Classifications
Current U.S. Class:
D25/80