USD856477S1 - Device for preventing sewer backflow - Google Patents

Device for preventing sewer backflow Download PDF

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Publication number
USD856477S1
USD856477S1 US29/574,121 US201629574121F USD856477S US D856477 S1 USD856477 S1 US D856477S1 US 201629574121 F US201629574121 F US 201629574121F US D856477 S USD856477 S US D856477S
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US
United States
Prior art keywords
sewer backflow
preventing sewer
backflow
preventing
view
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.)
Active
Application number
US29/574,121
Inventor
Robert Campbell
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.)
Sentinel Pro Development Inc
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.)
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Publication date
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Publication of USD856477S1 publication Critical patent/USD856477S1/en
Assigned to SENTINEL PRO DEVELOPMENT INC. reassignment SENTINEL PRO DEVELOPMENT INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CAMPBELL, ROBERT
Active legal-status Critical Current
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Description

FIG. 1 is a perspective front, top and right side view of a device for preventing sewer backflow;
FIG. 2 is a perspective front, bottom and right side view of the device for preventing sewer backflow of FIG. 1;
FIG. 3 is a top plan view of the device for preventing sewer backflow of FIG. 1;
FIG. 4 is a bottom plan view of the device for preventing sewer backflow of FIG. 1;
FIG. 5 is a right side elevational view of the device for preventing sewer backflow of FIG. 1;
FIG. 6 is a front elevational view of the device for preventing sewer backflow of FIG. 1;
FIG. 7 is a left side elevational view of the device for preventing sewer backflow of FIG. 1; and,
FIG. 8 is a rear elevational view of the device for preventing sewer backflow of FIG. 1.
The broken lines shown in the drawings are for the purpose of illustrating portions of the device for preventing sewer backflow and form no part of the claimed design.

Claims (1)

    CLAIM
  1. I claim the ornamental design for a device for preventing sewer backflow, as shown and described.
US29/574,121 2016-03-18 2016-08-12 Device for preventing sewer backflow Active USD856477S1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA167599 2016-03-18
CA167599F CA167599S (en) 2016-03-18 2016-03-18 Device for preventing sewer backflow

Publications (1)

Publication Number Publication Date
USD856477S1 true USD856477S1 (en) 2019-08-13

Family

ID=57184214

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/574,121 Active USD856477S1 (en) 2016-03-18 2016-08-12 Device for preventing sewer backflow

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US (1) USD856477S1 (en)
CA (1) CA167599S (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1003405S1 (en) * 2023-04-18 2023-10-31 Yanbo Xiong Drain plug
USD1005454S1 (en) * 2023-04-18 2023-11-21 Yanbo Xiong Drain plug

Citations (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US783493A (en) * 1904-04-21 1905-02-28 William J Wood Back-pressure valve for traps.
US1034965A (en) 1910-04-14 1912-08-06 Francis W Bradley Pipe-coupling.
US1753724A (en) 1928-11-23 1930-04-08 Wallace W Shaw Automatic backwater valve
US2003770A (en) * 1934-03-24 1935-06-04 Goodhart Louis Floor drain
US2476434A (en) * 1946-02-27 1949-07-19 Ferdinand J Spang Float valve
US2843146A (en) 1955-11-28 1958-07-15 Louis A Kirschner Drain trap and means for locking same to the waste pipe
US2871875A (en) 1956-11-19 1959-02-03 Harold E Dale Valve mounting means
US3007484A (en) 1958-09-09 1961-11-07 Hally Mfg Inc Automatic floor drain shut-off valves
US3107687A (en) 1960-12-14 1963-10-22 Elra F Howe Floor valve
US3322430A (en) 1965-08-04 1967-05-30 Continental Illinois Nat Bank Greased "o" ring cartridge
US3610275A (en) 1970-05-04 1971-10-05 Thomas E Determan Removable drain valve
US3768505A (en) 1971-04-28 1973-10-30 Bkb Co Drain check valve and mounting means
US3809411A (en) 1973-02-20 1974-05-07 J Emberson Drain fitting
US3903918A (en) * 1974-08-19 1975-09-09 Clarence L Carnarius Drain with check valve
US4088149A (en) 1976-05-20 1978-05-09 Logsdon Duane D Check valve structure for use in drains
US4160293A (en) * 1977-02-07 1979-07-10 American Standard Inc. Drain valve assembly
US4239240A (en) 1979-08-07 1980-12-16 Crane Packing Limited Rotary mechanical face seals
USD363532S (en) * 1994-10-27 1995-10-24 Van Gorp Warren K Floating valve for drain tile inlet
US6273124B1 (en) * 1999-05-26 2001-08-14 Donald G. Huber Check valve floor drain
US7410146B2 (en) * 2004-06-23 2008-08-12 Bestway Inflatables & Materials Corp. Drain valve with flow control
US9010363B2 (en) * 2013-06-24 2015-04-21 The Rectorseal Corporation Drain valve
US9790678B2 (en) * 2015-03-11 2017-10-17 Alvin J. Character Check valve floor drain
US9945110B2 (en) * 2014-11-28 2018-04-17 Xiamen R&T Plumbing Technology Co., Ltd. Double-flush light-touch drain valve and double-flush control method
US10082213B1 (en) * 2017-07-13 2018-09-25 Alvin J. Character Check valve floor drain

Patent Citations (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US783493A (en) * 1904-04-21 1905-02-28 William J Wood Back-pressure valve for traps.
US1034965A (en) 1910-04-14 1912-08-06 Francis W Bradley Pipe-coupling.
US1753724A (en) 1928-11-23 1930-04-08 Wallace W Shaw Automatic backwater valve
US2003770A (en) * 1934-03-24 1935-06-04 Goodhart Louis Floor drain
US2476434A (en) * 1946-02-27 1949-07-19 Ferdinand J Spang Float valve
US2843146A (en) 1955-11-28 1958-07-15 Louis A Kirschner Drain trap and means for locking same to the waste pipe
US2871875A (en) 1956-11-19 1959-02-03 Harold E Dale Valve mounting means
US3007484A (en) 1958-09-09 1961-11-07 Hally Mfg Inc Automatic floor drain shut-off valves
US3107687A (en) 1960-12-14 1963-10-22 Elra F Howe Floor valve
US3322430A (en) 1965-08-04 1967-05-30 Continental Illinois Nat Bank Greased "o" ring cartridge
US3610275A (en) 1970-05-04 1971-10-05 Thomas E Determan Removable drain valve
US3768505A (en) 1971-04-28 1973-10-30 Bkb Co Drain check valve and mounting means
US3809411A (en) 1973-02-20 1974-05-07 J Emberson Drain fitting
US3903918A (en) * 1974-08-19 1975-09-09 Clarence L Carnarius Drain with check valve
US4088149A (en) 1976-05-20 1978-05-09 Logsdon Duane D Check valve structure for use in drains
US4160293A (en) * 1977-02-07 1979-07-10 American Standard Inc. Drain valve assembly
US4239240A (en) 1979-08-07 1980-12-16 Crane Packing Limited Rotary mechanical face seals
USD363532S (en) * 1994-10-27 1995-10-24 Van Gorp Warren K Floating valve for drain tile inlet
US6273124B1 (en) * 1999-05-26 2001-08-14 Donald G. Huber Check valve floor drain
US7410146B2 (en) * 2004-06-23 2008-08-12 Bestway Inflatables & Materials Corp. Drain valve with flow control
US9010363B2 (en) * 2013-06-24 2015-04-21 The Rectorseal Corporation Drain valve
US9945110B2 (en) * 2014-11-28 2018-04-17 Xiamen R&T Plumbing Technology Co., Ltd. Double-flush light-touch drain valve and double-flush control method
US9790678B2 (en) * 2015-03-11 2017-10-17 Alvin J. Character Check valve floor drain
US10082213B1 (en) * 2017-07-13 2018-09-25 Alvin J. Character Check valve floor drain

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1003405S1 (en) * 2023-04-18 2023-10-31 Yanbo Xiong Drain plug
USD1005454S1 (en) * 2023-04-18 2023-11-21 Yanbo Xiong Drain plug

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Publication number Publication date
CA167599S (en) 2016-10-18

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