Ladder inclinometer
Description
FIG. 1 is a somewhat isometric view of a ladder inclinometer, showing my new design,
FIG. 2 is a view in front elevation,
FIG. 3 is a view in rear elevation;
FIG. 4 is a side view thereof;
FIG. 5 is a plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The flat interior surfaces of both levels, as well as the area above the curved level, are shaded to indicate contrast.
Referenced Cited
U.S. Patent Documents
D110646 | July 1938 | Petrochko |
D190525 | June 1961 | Stroyman et al. |
D195431 | June 1963 | Rieker |
703306 | June 1902 | Roe |
2810205 | October 1957 | Beck |
2823461 | February 1958 | Schneider |
3146529 | September 1964 | Chamberlin |
3159924 | December 1964 | Lieblein |
Patent History
Patent number: D249875
Type: Grant
Filed: Jul 23, 1976
Date of Patent: Oct 10, 1978
Inventors: Paul Bumbal (New York, NY), John V. Mizzi (Poughkeepsie, NY)
Primary Examiner: Susan J. Lucas
Attorney: Albert F. Kronman
Application Number: 5/708,107
Type: Grant
Filed: Jul 23, 1976
Date of Patent: Oct 10, 1978
Inventors: Paul Bumbal (New York, NY), John V. Mizzi (Poughkeepsie, NY)
Primary Examiner: Susan J. Lucas
Attorney: Albert F. Kronman
Application Number: 5/708,107
Classifications