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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES1973187791UpriorityCriticalpatent/ES187791Y/en
Publication of ES187791UpublicationCriticalpatent/ES187791U/en
Application grantedgrantedCritical
Publication of ES187791YpublicationCriticalpatent/ES187791Y/en
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Abstract
Improved well drilling, characterized by carrying a chassis or metallic frame of plant and rectangular elevation, provided with parallel rails where a car slides. (Machine-translation by Google Translate, not legally binding)
ES1973187791U1973-01-191973-01-19
PERFECTED WELL DRILL.
ExpiredES187791Y
(en)