US Patent Class 33-- GEOMETRICAL INSTRUMENTS-- MAIN HEADINGS

US Patent Class 33
GEOMETRICAL INSTRUMENTS-- Main Headings

		CLASS NOTES
1 R	DF	MISCELLANEOUS {29}
2 R	DF	APPAREL {7}
18.1	DF	SCRIBER {10}
227	DF	STRAIGHT-LINE LIGHT RAY TYPE {20}
300	DF	INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {23}
403	DF	STRAIGHTEDGE TYPE {16}
121	DF	AREA INTEGRATORS {3}
700	DF	DISTANCE MEASURING {13}
501	DF	GAUGE {61}
574	DF	POINT MARKER GUIDE {4}
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		FOREIGN ART COLLECTIONS
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*	DF	INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {1}
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		DIGESTS
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DIG 1	DF	Magnetic
DIG 2	DF	Air
DIG 3	DF	Photoelectric
DIG 4	DF	Interferometer
DIG 5	DF	Differential transformer
DIG 6	DF	Dial indicator shock absorber
DIG 7	DF	Ribbon and wires
DIG 8	DF	Eccentrics
DIG 9	DF	Rectangular proportioner
DIG 10	DF	Outlet box
DIG 11	DF	Materials
DIG 12	DF	Mechanical expedients
DIG 13	DF	Wire and strain gauges
DIG 14	DF	Spline and gear
DIG 15	DF	Piston position indicator
DIG 16	DF	Clips and rafters
DIG 17	DF	Piston ring and bearing race gauging
DIG 18	DF	Flush pin gauges
DIG 19	DF	Thermal expansive
DIG 20	DF	Tile
DIG 21	DF	With laser