CA1289400C - Assise a dispositif de saisie perfectionne pour tampon de puits de visite
- Google Patents
Assise a dispositif de saisie perfectionne pour tampon de puits de visite
Info
Publication number
CA1289400C
CA1289400CCA000572771ACA572771ACA1289400CCA 1289400 CCA1289400 CCA 1289400CCA 000572771 ACA000572771 ACA 000572771ACA 572771 ACA572771 ACA 572771ACA 1289400 CCA1289400 CCA 1289400C
Authority
CA
Canada
Prior art keywords
cover support
manhole cover
base
receiving structure
keeper
Prior art date
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
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
Application filed by IndividualfiledCriticalIndividual
Priority to CA000572771ApriorityCriticalpatent/CA1289400C/fr
Application grantedgrantedCritical
Publication of CA1289400CpublicationCriticalpatent/CA1289400C/fr