Level rule
Description
FIG. 1 is a top plan view of a level rule showing my new design with portions broken away for ease of illustration, it being understood that the scale markings are continuous throughout its length;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left end elevational view thereof;
FIG. 4 is a right end elevational view thereof;
FIG. 5 is a cross-sectional view thereof as taken from line 5--5 of FIG. 1;
FIG. 6 is a cross-sectional view thereof as taken from line 6--6 of FIG. 1;
FIG. 7 is a bottom plan view thereof on a reduced scale.
Referenced Cited
U.S. Patent Documents
D14043 | July 1883 | Stephens |
D189590 | January 1961 | White |
D212340 | October 1968 | Hull |
D229341 | November 1973 | West |
D238056 | December 1975 | Foster |
D267552 | January 11, 1983 | Seely |
2736097 | February 1956 | Coleman |
Patent History
Patent number: D285780
Type: Grant
Filed: Jan 30, 1984
Date of Patent: Sep 23, 1986
Inventors: Donald Wright (Elm Grove, WI), Randall J. Wright (Brookfield, WI)
Primary Examiner: Nelson C. Holtje
Law Firm: McDougall, Hersh & Scott
Application Number: 6/574,917
Type: Grant
Filed: Jan 30, 1984
Date of Patent: Sep 23, 1986
Inventors: Donald Wright (Elm Grove, WI), Randall J. Wright (Brookfield, WI)
Primary Examiner: Nelson C. Holtje
Law Firm: McDougall, Hersh & Scott
Application Number: 6/574,917
Classifications