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
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;
International Classification: D1004;