Breakdown level
Description
FIG. 1 is a right side elevational view of a level showing my new design;
FIG. 2 is a left side elevational view;
FIG. 3 is a front elevational view;
FIG. 4 is a rear elevational view;
FIG. 5 is a top plan view; and
FIG. 6 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
716001 | December 1902 | Desmarais |
759594 | May 1904 | Crawford |
950199 | February 1910 | Young |
1130610 | March 1915 | Kane |
1132318 | March 1915 | Feder |
1605604 | November 1926 | Nerbon |
1655766 | January 1928 | Hilderbrant |
2720709 | October 1955 | Stankawitz |
2807888 | October 1957 | Thomas |
2833054 | May 1958 | Wheeler |
3522657 | August 1970 | Metrulus |
3820249 | June 1974 | Stone |
4590680 | May 27, 1986 | Hanchett et al. |
175181 | February 1917 | CAX |
Patent History
Patent number: D319029
Type: Grant
Filed: Jun 27, 1989
Date of Patent: Aug 13, 1991
Inventor: Charlie Burt (Elyria, OH)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorney: Leon Gilden
Application Number: 7/372,040
Type: Grant
Filed: Jun 27, 1989
Date of Patent: Aug 13, 1991
Inventor: Charlie Burt (Elyria, OH)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorney: Leon Gilden
Application Number: 7/372,040
Classifications
Current U.S. Class:
Spirit Level (D10/69)