Level
Description
FIG. 1 is a top, front, and left side perspective view of a level showing my new design;
FIG. 2 is a front elevational view, the rear elevational view being a mirror image;
FIG. 3 is a top plan view;
FIG. 4 is a bottom plan view;
FIG. 5 is a right side elevational view;
FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 2; and
FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 2 thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| D180356 | May 1957 | Brower |
| D261996 | November 24, 1981 | Barton |
| D285780 | September 23, 1986 | Wright et al. |
| D308644 | June 19, 1990 | Butter et al. |
| 1908518 | May 1933 | Lee |
| 3522657 | August 1970 | Metrulus |
| 4152838 | May 8, 1979 | Cook |
| 4506451 | March 26, 1985 | Hiltz |
| 4660292 | April 28, 1987 | Richardson |
| 4693011 | September 15, 1987 | Strayham |
| 4700489 | October 20, 1987 | Vasile |
| 467635 | December 1951 | ITX |
Patent History
Patent number: D314522
Type: Grant
Filed: Apr 21, 1988
Date of Patent: Feb 12, 1991
Inventor: Randall J. Wright (Delafield, WI)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Jones, Day, Reavis & Pogue
Application Number: 7/184,159
Type: Grant
Filed: Apr 21, 1988
Date of Patent: Feb 12, 1991
Inventor: Randall J. Wright (Delafield, WI)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Jones, Day, Reavis & Pogue
Application Number: 7/184,159
Classifications
Current U.S. Class:
Spirit Level (D10/69)