Tachograph indicator card
Description
FIG. 1 is a plan view of a tachograph indicator card showing our new design.
FIG. 2 is an edge view thereof, which is identical from any side.
FIG. 3 is a bottom plan view thereof.
The characteristic feature of the design resides in the "S" shaped aperture disposed radially outward from the circular central aperture of the indicator card.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| D30724 | May 1899 | Hoyt |
| D158239 | April 1950 | Wills |
| 2113736 | April 1938 | McConkey |
| 3422695 | January 1969 | Wilson |
| 3524194 | August 1970 | Vogtlin |
| 3815150 | June 1974 | Stoddard |
| 4060839 | November 29, 1977 | Meadows |
| 2224039 | October 1974 | FRX |
| 923139 | April 1963 | GBX |
Patent History
Patent number: D251899
Type: Grant
Filed: Apr 8, 1977
Date of Patent: May 22, 1979
Assignee: Sangamo Weston, Inc. (Jersey City, NJ)
Inventors: Clifford E. Engler (Short Hills, NJ), Terence O. Lewis (Rochester, IL)
Primary Examiner: Nelson C. Holtje
Attorney: William R. Sherman
Application Number: 5/785,903
Type: Grant
Filed: Apr 8, 1977
Date of Patent: May 22, 1979
Assignee: Sangamo Weston, Inc. (Jersey City, NJ)
Inventors: Clifford E. Engler (Short Hills, NJ), Terence O. Lewis (Rochester, IL)
Primary Examiner: Nelson C. Holtje
Attorney: William R. Sherman
Application Number: 5/785,903
Classifications
