Digital staff

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Description

FIG. 1 is a perspective view of a digital staff showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right elevational view threrof;

FIG. 6 is a top plan view threrof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a digital staff, as shown and described.

Referenced Cited
U.S. Patent Documents
D735595 August 4, 2015 White
10168153 January 1, 2019 Grasser
Patent History
Patent number: D850944
Type: Grant
Filed: Dec 15, 2017
Date of Patent: Jun 11, 2019
Assignee: INCHEON SURVEY INSTRUMENT CO., LTD. (Incheon)
Inventors: Hi Song Eun (Incheon), Dae Hyun Lee (Seoul), Yun Kyu Lee (Seoul), Hee Chul Shin (Seoul)
Primary Examiner: Antoine Duval Davis
Application Number: 29/629,719
Classifications
Current U.S. Class: Linear Or Distance (9) (D10/70)