Ruler with sliding bubble vials

- Kapro Industries Ltd.
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Description

The nature and intended use of the article in which the design is embodied is that of a ruler with sliding bubble vials, used for marking and making measurements on walls and the like. The ruler may be used for making measurements and the bubble vials indicate if the ruler is being held in a horizontal or vertical manner.

FIG. 1 is a top view of a ruler with sliding bubble vials, showing our new design;

FIG. 2 is a left end view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a perspective view thereof.

Claims

The ornamental design for a ruler with sliding bubble vials, as shown.

Referenced Cited
U.S. Patent Documents
D333991 March 16, 1993 Lee
D360371 July 18, 1995 O'Hare et al.
D394818 June 2, 1998 Hutchins
D432928 October 31, 2000 Garrett
Patent History
Patent number: D451040
Type: Grant
Filed: Jan 30, 2001
Date of Patent: Nov 27, 2001
Assignee: Kapro Industries Ltd. (Kibbutz Kadarim)
Inventor: Emanuel Hillel Szumer (Beit Hakerem)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firms: Alphapatent Associates Ltd., Daniel J. Swirsky
Application Number: 29/136,310
Classifications
Current U.S. Class: Rule, Tape Or Scale (10) (D10/71); Combined (D10/62); Spirit Level (D10/69)
International Classification: 1004;