Level

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Description

FIG. 1 is a top and side perspective view of a level showing our new design;

FIG. 2 is a bottom and opposite side perspective view thereof;

FIG. 3 is a top perspective view of the detachable handle portion;

FIG. 4 is a bottom and opposite side perspective view of the detachable handle portion; the bar having been omitted for ease of illustration.

Referenced Cited
U.S. Patent Documents
1159522 November 1915 Miller
1264484 April 1918 Bridgman
1278148 September 1918 Heusser
2633640 April 1953 Rucsko
3311988 April 1967 Manville
3435533 April 1969 Whitfield
Patent History
Patent number: D244837
Type: Grant
Filed: Apr 17, 1975
Date of Patent: Jun 28, 1977
Assignee: Libella Tool AB
Inventors: Hans Kristian Thingstad (Sodertalje), Horst Jurgensen (Sodertalje)
Primary Examiner: Nelson C. Holtje
Attorney: Donald Messenheimer
Application Number: 5/569,073
Classifications
Current U.S. Class: Spirit Level (D10/69)
International Classification: D1004;