FR537747A - Closure for downspout and wastewater drain - Google Patents

Closure for downspout and wastewater drain

Info

Publication number
FR537747A
FR537747A FR537747DA FR537747A FR 537747 A FR537747 A FR 537747A FR 537747D A FR537747D A FR 537747DA FR 537747 A FR537747 A FR 537747A
Authority
FR
France
Prior art keywords
downspout
closure
wastewater drain
wastewater
drain
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
Other languages
French (fr)
Inventor
Hermann Burkart
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 filed Critical
Application granted granted Critical
Publication of FR537747A publication Critical patent/FR537747A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/02—Shut-off devices
    • E03F7/04—Valves for preventing return flow

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
FR537747D 1921-07-01 1921-07-01 Closure for downspout and wastewater drain Expired FR537747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR537747T 1921-07-01

Publications (1)

Publication Number Publication Date
FR537747A true FR537747A (en) 1922-05-29

Family

ID=8927728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR537747D Expired FR537747A (en) 1921-07-01 1921-07-01 Closure for downspout and wastewater drain

Country Status (1)

Country Link
FR (1) FR537747A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602590A (en) * 1949-03-03 1952-07-08 Edward J Zeitlin Air vent valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602590A (en) * 1949-03-03 1952-07-08 Edward J Zeitlin Air vent valve

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