Carpenter level
Description
FIG. 1 is a front elevational view of a carpenter level showing our new design;
FIG. 2 is a top plan view;
FIG. 3 is a bottom plan view;
FIG. 4 is a rear elevational view;
FIG. 5 is a right side elevational view;
FIG. 6 is a left side elevational view;
FIG. 7 is a front elevational view of an embodiment of FIGS. 1-6;
FIG. 8 is a top plan view;
FIG. 9 is a bottom plan view;
FIG. 10 is a rear elevational view;
FIG. 11 is a right side elevational view; and
FIG. 12 is a left side elevational view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| RE32962 | June 27, 1989 | Tudek |
| D283515 | April 22, 1986 | Li |
| D284199 | June 10, 1986 | Li |
| D285094 | August 12, 1986 | Li |
| 825934 | July 1906 | Pierson |
| 1463375 | July 1923 | Shields |
| 2633640 | April 1953 | Bucsko |
| 3310878 | March 1967 | Giba |
| 3861052 | January 1975 | Siegfried |
| 4381607 | May 3, 1983 | Place |
| 4574491 | March 11, 1986 | Vining |
| 4625423 | December 2, 1986 | Sackett |
| 4648185 | March 10, 1987 | Brandimarte |
| 4716534 | December 29, 1987 | Baucom et al. |
| 4805315 | February 21, 1989 | Nesbitt |
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| 88/10408 | December 1988 | WOX |
Patent History
Patent number: D308644
Type: Grant
Filed: Sep 9, 1987
Date of Patent: Jun 19, 1990
Assignee: Wedge Innovations (Sunnyvale, CA)
Inventors: Andrew G. Butler (Palo Alto, CA), Ronald Wisnia (Ben Lomond, CA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Fliesler, Dubb, Meyer & Lovejoy
Application Number: 7/94,535
Type: Grant
Filed: Sep 9, 1987
Date of Patent: Jun 19, 1990
Assignee: Wedge Innovations (Sunnyvale, CA)
Inventors: Andrew G. Butler (Palo Alto, CA), Ronald Wisnia (Ben Lomond, CA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Fliesler, Dubb, Meyer & Lovejoy
Application Number: 7/94,535
Classifications
Current U.S. Class:
Spirit Level (D10/69)