Crane boom angle indicator
US D219998 S
Description (OCR text may contain errors)
United States Patent 0 ice CRANE BOOM ANGLE INDICATOR Donald Behuk and Roger Protas, Pittsburgh, Pa., assignors to SJ. Handling Systems, Inc., Easton, Pa., a corporation of Pennsylvania Filed Dec. 8, 1969, Ser. No. 20,622
Term of patent 14 years Int. Cl, Dl0-10 US. Cl. D52--6 Des. 219,998
Patented Feb. 23, 1971 FIG. 1 is a front elevation view of a crane boom angle indicator showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a right side elevation view thereof on a smaller scale; and
FIG. 5 is a rear elevation view thereof.
The left side not shown in a mirror image of the right side shown in FIG. 4.
The ornamental design for a crane boom angle indicator, substantially as shown and described.
References Cited UNITED STATES PATENTS Wyse et a1. D26-5 MacCotter D52-6 Cooper 340--282 Riley 340-282X Visceglia 340-282 BERNARD ANSHER, Primary Examiner