Retaining wall building block
Description
FIG. 1 is a top plan view of a retaining wall building block showing my new design;
FIG. 2 is a bottom plan thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a rear view thereof; and,
FIG. 6 is a left side elevational view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D340996
Type: Grant
Filed: Sep 30, 1992
Date of Patent: Nov 2, 1993
Inventor: Mark A. Woolbright (St. Louis, MO)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Senniger, Powers, Leavitt & Roedel
Application Number: 7/954,487
Type: Grant
Filed: Sep 30, 1992
Date of Patent: Nov 2, 1993
Inventor: Mark A. Woolbright (St. Louis, MO)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Senniger, Powers, Leavitt & Roedel
Application Number: 7/954,487
Classifications
Current U.S. Class:
Construction Block Or Brick Type (17) (D25/113)