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Publication numberUSD317417 S
Publication typeGrant
Application numberUS 07/233,609
Publication dateJun 11, 1991
Filing dateAug 18, 1988
Publication number07233609, 233609, US D317417 S, US D317417S, US-S-D317417, USD317417 S, USD317417S
InventorsDong-Chang Lin
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Combined photoelectric and contact digital tachometer
US D317417 S
Abstract  available in
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  1. The ornamental design for a combined photoelectric and contact digital tachometer, as shown and described.

FIG. 1 is a front, right side and bottom perspective view of a combined photoelectric and contact digital tachometer showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a top plan view;

FIG. 6 is a front elevational view; and

FIG. 7 is a rear elevational view thereof.

Non-Patent Citations
1Cole-Parmer Instrument Co., Digital Tachometer, 1984, front cover.
2Shimpo, Shimpo Tachometers & Counters, 1985, front cover.
U.S. ClassificationD10/98