Concrete sleeper block
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Description
The FIGURE is a perspective view of a concrete sleeper block illustrating the upper face, one end and one side face thereof. The appearance of the other end and side face, respectively, is the same as shown. The bottom of the sleeper block is plain and unornamented.
Referenced Cited
U.S. Patent Documents
| D229209 | November 1973 | Tabone |
| 2235356 | March 1941 | Byers |
| 2725958 | December 1955 | Porter et al. |
| 2888779 | June 1959 | Hustetter |
| 3945747 | March 23, 1976 | Cruz |
Patent History
Patent number: D246056
Type: Grant
Filed: Jul 30, 1976
Date of Patent: Oct 11, 1977
Assignee: A-Betong AB (Vaxjo)
Inventors: Stig Thim (Vaxjo), Claes Ahlquist (Vaxjo)
Primary Examiner: A. Hugo Word
Attorney: Richard C. Sughrue
Application Number: 5/710,047
Type: Grant
Filed: Jul 30, 1976
Date of Patent: Oct 11, 1977
Assignee: A-Betong AB (Vaxjo)
Inventors: Stig Thim (Vaxjo), Claes Ahlquist (Vaxjo)
Primary Examiner: A. Hugo Word
Attorney: Richard C. Sughrue
Application Number: 5/710,047
Classifications
Current U.S. Class:
D25/73
International Classification: D2501;
International Classification: D2501;
