Retaining wall block

- Kiltie Corporation
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a retaining wall block showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D21522 May 1892 Lewis
D36805 February 1904 Palmer
D249558 September 19, 1978 Blomqvist
415773 November 1889 Fiske
2629135 February 1953 Johnson
2847848 August 1958 Grants
Foreign Patent Documents
1034228 July 1953 FRX
Other references
  • Audel's Mason's and Builder's Guide .COPYRGT.1924, pp. 954, 956, 959, 961, 962, vol. 4.
Patent History
Patent number: D321060
Type: Grant
Filed: Nov 30, 1990
Date of Patent: Oct 22, 1991
Assignee: Kiltie Corporation (North St. Paul, MN)
Inventors: Peter J. Blomquist (Lake Elmo, MN), Michael E. Woolford (Lake Elmo, MN)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Kinney & Lange
Application Number: 7/622,160
Classifications
Current U.S. Class: Rectangular Or Square Detail (D25/118)