Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
READING AND BATES CONSTRUCTION Co
Original Assignee
READING AND BATES CONSTRUCTION Co
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Filing date
Publication date
Priority claimed from US05/506,920external-prioritypatent/US4003440A/en
Application filed by READING AND BATES CONSTRUCTION CofiledCriticalREADING AND BATES CONSTRUCTION Co
Application grantedgrantedCritical
Publication of AU8492575ApublicationCriticalpatent/AU8492575A/en
Publication of AU488030B2publicationCriticalpatent/AU488030B2/en
AU84925/75A1974-09-171975-09-17Apparatus and process for drilling underground arcuate paths utilizing directional drill and following liner
ExpiredAU488030B2
(en)