Plane measuring instrument

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Description

FIG. 1 is a front perspective view of a plane measuring instrument showing my new design; and

FIG. 2 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D188106 June 1960 Sundberg et al.
Patent History
Patent number: D256565
Type: Grant
Filed: May 12, 1978
Date of Patent: Aug 26, 1980
Inventor: Lars A. Bergkvist (890 42 Mellansell)
Primary Examiner: Donald B. Moyer
Attorney: Philip E. Kurz
Application Number: 5/905,565
Classifications
Current U.S. Class: Spirit Level (D10/69); Angle Or Direction (7) (D10/65)
International Classification: D1004;