IC 009. US 021 023 026 036 038. G and S: CONSTRUCTION LASERS, OPTICAL SURVEYING INSTRUMENTS, GPS AND LASER BASED GRADE CONTROL RECEIVERS THAT INDICATE THE ELEVATION OF THE CUTTING EDGE OF THE BLADE OF A CONSTRUCTION EARTHMOVING MACHINE, PC SOFTWARE FOR QUANTITATIVE TAKEOFF OF EARTHWORK VOLUMES AND DATA MANIPULATION, GPS BASED SURVEYING INSTRUMENTS, HANDHELD LASER BASED DISTANCE MEASURING TOOL FOR MEASURING INTERIOR DIMENSIONS. FIRST USE: 20010717. FIRST USE IN COMMERCE: 20010718

'009':2 '021':4 '023':5 '026':6 '036':7 '038':8 '20010717':67 '20010718':72 'base':20,52,57 'blade':34 'commerc':71 'construct':12,37 'control':22 'cut':30 'data':49 'dimens':64 'distanc':58 'earthmov':38 'earthwork':46 'edg':31 'elev':27 'first':65,68 'g':9 'gps':17,51 'grade':21 'handheld':55 'ic':1 'indic':25 'instrument':16,54 'interior':63 'laser':13,19,56 'machin':39 'manipul':50 'measur':59,62 'optic':14 'pc':40 'quantit':43 'receiv':23 'softwar':41 'survey':15,53 'takeoff':44 'tool':60 'us':3 'use':66,69 'volum':47

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