Calibration tool
Description
FIG. 1 is a front, top and side perspective view of the calibration tool showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof; and,
FIG. 5 is a bottom elevational view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D242775 | December 21, 1976 | Williams, Jr. |
D257857 | January 13, 1981 | Levenberger et al. |
D308174 | May 29, 1990 | Rijlaarsdam |
2967336 | January 1961 | Morehead |
5067249 | November 26, 1991 | Terrigno |
5115569 | May 26, 1992 | Kubo |
5134784 | August 4, 1992 | Atienza |
5150525 | September 29, 1992 | Lai |
24298 | 1912 | GBX |
- E. Faber Co.; Triangle; .COPYRGT.1901; p. 12.
Patent History
Patent number: D367822
Type: Grant
Filed: Nov 29, 1994
Date of Patent: Mar 12, 1996
Inventor: Roger Grabczynski (Whitmore Lake, MI)
Primary Examiner: Antoine Duval Davis
Attorney: Dennis H. Lambert
Application Number: 0/31,595
Type: Grant
Filed: Nov 29, 1994
Date of Patent: Mar 12, 1996
Inventor: Roger Grabczynski (Whitmore Lake, MI)
Primary Examiner: Antoine Duval Davis
Attorney: Dennis H. Lambert
Application Number: 0/31,595
Classifications
Current U.S. Class:
Linear Or Distance (9) (D10/70)