USD447544S1 - Headwall structure for drainage conduit - Google Patents

Headwall structure for drainage conduit Download PDF

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Publication number
USD447544S1
USD447544S1 US29/129,203 US12920300F USD447544S US D447544 S1 USD447544 S1 US D447544S1 US 12920300 F US12920300 F US 12920300F US D447544 S USD447544 S US D447544S
Authority
US
United States
Prior art keywords
drainage conduit
headwall structure
headwall
drainage
conduit
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 - Lifetime
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US29/129,203
Inventor
Donald S. Quin
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.)
CIF COMPOSITES Inc
Original Assignee
Donald S. Quin
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 Donald S. Quin filed Critical Donald S. Quin
Application granted granted Critical
Publication of USD447544S1 publication Critical patent/USD447544S1/en
Assigned to CIF COMPOSITES INC. reassignment CIF COMPOSITES INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: QUIN, DONALD S.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

The FIGURE shown is a front, side perspective view of a headwall structure for drainage conduit showing my new design.

Claims (1)

  1. The ornamental design for a headwall structure for drainage conduit, as shown and described.
US29/129,203 2000-03-20 2000-09-07 Headwall structure for drainage conduit Expired - Lifetime USD447544S1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2000-0762 2000-03-20
CA92136F CA92136S (en) 2000-03-20 2000-03-20 Headwall structure for drainage conduit

Publications (1)

Publication Number Publication Date
USD447544S1 true USD447544S1 (en) 2001-09-04

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ID=51690585

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/129,203 Expired - Lifetime USD447544S1 (en) 2000-03-20 2000-09-07 Headwall structure for drainage conduit

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US (1) USD447544S1 (en)
CA (1) CA92136S (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6533498B1 (en) * 2000-03-20 2003-03-18 Donald S. Quin Reinforced composite material
US6736570B2 (en) 2002-04-16 2004-05-18 L&R Pre-Cast Concrete Works Precast safety end and form therefor
USD735304S1 (en) * 2013-03-28 2015-07-28 Strato, Inc. Low profile steam fitting
USD761397S1 (en) * 2015-04-08 2016-07-12 Dennis Denooy Universal downspout adapter
USD773018S1 (en) * 2015-04-13 2016-11-29 Xylem Water Solutions Zelienople Llc Wall adaptor for filter underdrain
USD779642S1 (en) * 2015-11-18 2017-02-21 William A. Tesh Curb flume
US20170218581A1 (en) * 2016-02-03 2017-08-03 Craig A. EBY, SR. Culvert pipe inlet
USD1021139S1 (en) * 2021-06-07 2024-04-02 American Leak Detection Irrigation, Inc. Ditch and canal liner

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Langley Concrete Group, 16-20 Headwall Structure, Specifications Drawing, Nov. 1998, 1 page, Victoria, Canada.
Langley Concrete Group, Type II Headwall Structure, Specifications Drawing, Nov. 1998, 1 page, Victoria, Canada.

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6533498B1 (en) * 2000-03-20 2003-03-18 Donald S. Quin Reinforced composite material
US6736570B2 (en) 2002-04-16 2004-05-18 L&R Pre-Cast Concrete Works Precast safety end and form therefor
US6769662B2 (en) 2002-04-16 2004-08-03 L & R Pre-Cast Concrete Works Form and method for casting a monolithic precast safety end
USD735304S1 (en) * 2013-03-28 2015-07-28 Strato, Inc. Low profile steam fitting
USD776796S1 (en) 2015-04-08 2017-01-17 Dennis Denooy Universal downspout adapter
USD761397S1 (en) * 2015-04-08 2016-07-12 Dennis Denooy Universal downspout adapter
USD780893S1 (en) 2015-04-08 2017-03-07 Dennis Denooy Universal downspout adapter
USD773018S1 (en) * 2015-04-13 2016-11-29 Xylem Water Solutions Zelienople Llc Wall adaptor for filter underdrain
USD779642S1 (en) * 2015-11-18 2017-02-21 William A. Tesh Curb flume
US20170218581A1 (en) * 2016-02-03 2017-08-03 Craig A. EBY, SR. Culvert pipe inlet
US10174468B2 (en) * 2016-02-03 2019-01-08 Craig A. EBY, SR. Culvert pipe inlet
USD1021139S1 (en) * 2021-06-07 2024-04-02 American Leak Detection Irrigation, Inc. Ditch and canal liner
US11959240B2 (en) 2021-06-07 2024-04-16 American Leak Detection Irrigation, Inc. Ditch and canal liner assembly

Also Published As

Publication number Publication date
CA92136S (en) 2001-04-20

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