CA725408A - Manhole construction - Google Patents

Manhole construction

Info

Publication number
CA725408A
CA725408A CA725408A CA725408DA CA725408A CA 725408 A CA725408 A CA 725408A CA 725408 A CA725408 A CA 725408A CA 725408D A CA725408D A CA 725408DA CA 725408 A CA725408 A CA 725408A
Authority
CA
Canada
Prior art keywords
manhole construction
manhole
construction
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.)
Expired
Application number
CA725408A
Inventor
M. Fairfield Ian
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
Publication date
Application granted granted Critical
Publication of CA725408A publication Critical patent/CA725408A/en
Expired legal-status Critical Current

Links

CA725408A Manhole construction Expired CA725408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA725408T

Publications (1)

Publication Number Publication Date
CA725408A true CA725408A (en) 1966-01-11

Family

ID=36064311

Family Applications (1)

Application Number Title Priority Date Filing Date
CA725408A Expired CA725408A (en) Manhole construction

Country Status (1)

Country Link
CA (1) CA725408A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968600A (en) * 1972-09-05 1976-07-13 National Utility Products Company Adjustable manhole cover support structure
US4048766A (en) * 1975-09-04 1977-09-20 Intercontinental Plastics Mfg. Co. Closure lid assembly for protective housings
US4867600A (en) * 1987-07-23 1989-09-19 Bowman Harold M Polygonal manhole cover support

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968600A (en) * 1972-09-05 1976-07-13 National Utility Products Company Adjustable manhole cover support structure
US4048766A (en) * 1975-09-04 1977-09-20 Intercontinental Plastics Mfg. Co. Closure lid assembly for protective housings
US4867600A (en) * 1987-07-23 1989-09-19 Bowman Harold M Polygonal manhole cover support

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