Illuminated level
Description
FIG. 1 is an enlarged fragmentary top plan view of one end of an illuminated level showing my new design;
FIG. 2 is a cross-sectional view as taken from the bottom end of FIG. 1;
FIG. 3 is a top plan view thereof on a reduced scale, the bottom plan view being identical but with the switch eliminated;
FIG. 4 is a typical edge elevational view of FIG. 3.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
2198945 | April 1940 | Morris |
2652481 | September 1953 | Hall |
2720709 | October 1955 | Stankawitz |
2810206 | October 1957 | Ziemann |
2937264 | May 1960 | Snyder |
3114507 | December 1963 | Dommer |
2128056 | December 1977 | DEX |
Patent History
Patent number: D269255
Type: Grant
Filed: Mar 13, 1981
Date of Patent: Jun 7, 1983
Inventor: Ronald A. Olson (Big Pine, CA)
Primary Examiner: Nelson C. Holtje
Attorney: John J. Posta, Jr.
Application Number: 6/243,527
Type: Grant
Filed: Mar 13, 1981
Date of Patent: Jun 7, 1983
Inventor: Ronald A. Olson (Big Pine, CA)
Primary Examiner: Nelson C. Holtje
Attorney: John J. Posta, Jr.
Application Number: 6/243,527
Classifications