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.)
Airrigation Engineering Co Inc
Original Assignee
Airrigation Engineering Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/664,049external-prioritypatent/US4025360A/en
Application filed by Airrigation Engineering Co IncfiledCriticalAirrigation Engineering Co Inc
Application grantedgrantedCritical
Publication of CA1045994ApublicationCriticalpatent/CA1045994A/fr
CA304,099A1976-03-041978-05-25Methode et dispositif pour injecter de la mousse et introduire un obturateur gonflable dans un pipeline
ExpiredCA1045994A
(fr)