Multiple scale rule

Description

FIG. 1 is a top perspective view of a multiple scale rule showing my new design;

FIG. 2 is a top plan view thereof, portions shown broken away to illustrate the inner slide member;

FIG. 3 is an opposite side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an opposite end elevational view thereof; and

FIG. 6 is a cross-sectional view as taken from line 6--6 of FIG. 4.

Referenced Cited
U.S. Patent Documents
D201300 June 1965 Seely
D249531 September 19, 1978 Neufeld
1248897 December 1917 Ossman
1631731 June 1927 Johnson
2746682 May 1956 Zak
2903795 September 1959 Wilfert
3522655 August 1970 Kilpatrick
Patent History
Patent number: D255784
Type: Grant
Filed: Apr 13, 1978
Date of Patent: Jul 8, 1980
Inventor: Douglas D. Seely, Jr. (Mishawaka, IN)
Primary Examiner: Nelson C. Holtje
Attorney: Marmaduke A. Hobbs
Application Number: 5/896,194
Classifications
Current U.S. Class: Rule, Tape Or Scale (10) (D10/71); Slide Rule Type (D18/9)
International Classification: D1004;