Automatic chalkline
Description
FIG. 1 is a front elevational view of an automatic chalkline showing my new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a left side elevational view;
FIG. 4 is a right side elevational view;
FIG. 5 is a top plan view; and
FIG. 6 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
947892 | February 1910 | Eastman |
978064 | December 1910 | Sayles |
1098033 | May 1914 | Friendship |
1609777 | December 1926 | Senez |
3309089 | March 1967 | Doyle |
3427724 | February 1969 | Tracy |
4662078 | May 5, 1987 | Gammon et al. |
Patent History
Patent number: D313561
Type: Grant
Filed: Jun 29, 1987
Date of Patent: Jan 8, 1991
Inventor: Gregg Van Slyke (Inlet, NY)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Antoine D. Davis
Attorney: Jerry T. Kearns
Application Number: 7/67,442
Type: Grant
Filed: Jun 29, 1987
Date of Patent: Jan 8, 1991
Inventor: Gregg Van Slyke (Inlet, NY)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Antoine D. Davis
Attorney: Jerry T. Kearns
Application Number: 7/67,442
Classifications
Current U.S. Class:
Angle Or Direction (7) (D10/65)