World time zone indicator/calculator
Description
FIG. 1 is a front elevational view of a world time zone indicator/calculator showing my new design;
FIG. 2 is a typical side elevational view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| D95205 | April 1935 | Harrison |
| D132975 | July 1942 | Jones |
| D141710 | June 1945 | Guttmann |
| D146500 | March 1947 | Freel |
| D195579 | July 1963 | Ruderian |
| 2463758 | March 1949 | Freel |
| 2525895 | October 1950 | Graves |
| 2587615 | March 1952 | Grega |
| 4032754 | June 28, 1977 | Ageton |
| 213272 | May 1941 | CHX |
Patent History
Patent number: D298837
Type: Grant
Filed: Oct 9, 1985
Date of Patent: Dec 6, 1988
Inventor: Robert J. Thomas (Dearborn, MI)
Primary Examiner: Nelson C. Holtje
Attorney: Joseph J. Goluban
Application Number: 6/785,771
Type: Grant
Filed: Oct 9, 1985
Date of Patent: Dec 6, 1988
Inventor: Robert J. Thomas (Dearborn, MI)
Primary Examiner: Nelson C. Holtje
Attorney: Joseph J. Goluban
Application Number: 6/785,771
Classifications
