ladder inclinometer
Description
FIG. 1 is a front perspective view of a ladder inclinometer, showing the ladder and pendulum in broken lines for illustration purposes only and forming no part of the claimed design;
FIG. 2 is a front enlarged perspective view thereof;
FIG. 3 is a front elevational view angled in one direction to the vertical thereof;
FIG. 4 is a front elevational view angled in the opposite direction from FIG. 3 thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a top end elevational view thereof;
FIG. 7 is a lower end elevational view thereof;
FIG. 8 is a side elevational view thereof, with the opposite side being a mirror image thereof; and,
FIG. 9 is a front elevational view of an alternate embodiment.
Referenced Cited
U.S. Patent Documents
D195431 | June 1963 | Rieker, Jr. |
D249875 | October 10, 1978 | Bumbal et a. |
349590 | September 1886 | Hollingsworth |
651519 | June 1900 | Algoud |
667836 | February 1901 | Wood |
790813 | May 1905 | Auld |
2527982 | October 1950 | Brock |
2632958 | March 1953 | De Masters |
2651848 | September 1953 | Sims |
2822618 | February 1958 | Wendel |
2845719 | August 1958 | Thomiszer |
3118234 | January 1964 | Wilson |
3293755 | December 1966 | Cronwell |
4492029 | January 8, 1985 | Tanaka et al. |
5341899 | August 30, 1994 | Casamento |
5520384 | May 28, 1996 | Wetzel |
Patent History
Patent number: D378991
Type: Grant
Filed: Jan 5, 1996
Date of Patent: Apr 29, 1997
Assignee: Wytech, Inc. (Des Moines, IA)
Inventor: James E. Boelling (Des Moines, IA)
Primary Examiner: Antoine Duval Davis
Law Firm: Zarley, McKee, Thomte, Voorhees & Sease
Application Number: 0/48,632
Type: Grant
Filed: Jan 5, 1996
Date of Patent: Apr 29, 1997
Assignee: Wytech, Inc. (Des Moines, IA)
Inventor: James E. Boelling (Des Moines, IA)
Primary Examiner: Antoine Duval Davis
Law Firm: Zarley, McKee, Thomte, Voorhees & Sease
Application Number: 0/48,632
Classifications
Current U.S. Class:
Transit Or Theodolite (D10/66)