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Class Information
Number: 33/15C
Name: Geometrical instruments >

Sub-classes under this class:

Class Number Class Name Patents
33/ Indicator of direction of force traversing natural media 0
33/121 Area integrators 29
33/18.1 Scriber 226
33/1R Miscellaneous 20
33/227 Straight-line light ray type 130
33/2R Apparel 49
33/300 Indicator of direction of force traversing natural media 18
33/403 Straightedge type 57
33/501 Gauge 92
33/574 Point marker guide 31
33/700 Distance measuring 110
33/DIG.1 Magnetic 174
33/DIG.10 Outlet box 147
33/DIG.11 Materials 10
33/DIG.12 Mechanical expedients 1
33/DIG.13 Wire and strain gauges 55
33/DIG.14 Spline and gear 6
33/DIG.15 Piston position indicator 24
33/DIG.16 Clips and rafters 2
33/DIG.17 Piston ring and bearing race gauging 13
33/DIG.18 Flush pin gauges 1
33/DIG.19 Thermal expansive 15
33/DIG.2 Air 68
33/DIG.20 Tile 41
33/DIG.21 With laser 454
33/DIG.3 Photoelectric 24
33/DIG.4 Interferometer 7
33/DIG.5 Differential transformer 10
33/DIG.6 Dial indicator shock absorber 9
33/DIG.7 Ribbon and wires 4
33/DIG.8 Eccentrics 10
33/DIG.9 Rectangular proportioner 23

Patents under this class:

Patent Number Title Of Patent Date Issued

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