USD335173S - Coupling element for connecting the flanged ends of ducts - Google Patents

Coupling element for connecting the flanged ends of ducts Download PDF

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Publication number
USD335173S
USD335173S US07/542,165 US54216590F USD335173S US D335173 S USD335173 S US D335173S US 54216590 F US54216590 F US 54216590F US D335173 S USD335173 S US D335173S
Authority
US
United States
Prior art keywords
ducts
coupling element
flanged ends
flanged
ornamental design
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
Application number
US07/542,165
Inventor
Stefan Leufstedt
Carl-Eric Jaderberg
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 Individual filed Critical Individual
Application granted granted Critical
Publication of USD335173S publication Critical patent/USD335173S/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a perspective view taken from the top and one side of a coupling element for connecting the flanged ends of ducts in the closed state;
FIG. 2 is a perspective view from the opposite side of the coupling element in the closed state; and,
FIG. 3 is a perspective view of the coupling element in the open state.
The bottom of the design is a mirror image of the top.

Claims (1)

  1. The ornamental design for a coupling element for connecting the flanged ends of ducts, as shown and described.
US07/542,165 1989-12-27 1990-06-22 Coupling element for connecting the flanged ends of ducts Expired - Lifetime USD335173S (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE892961 1989-12-27
SE19892961 1989-12-27

Publications (1)

Publication Number Publication Date
USD335173S true USD335173S (en) 1993-04-27

Family

ID=70739389

Family Applications (2)

Application Number Title Priority Date Filing Date
US07/542,165 Expired - Lifetime USD335173S (en) 1989-12-27 1990-06-22 Coupling element for connecting the flanged ends of ducts
US07/542,267 Expired - Lifetime USD339641S (en) 1989-12-27 1990-06-22 Frame member for constructing a duct

Family Applications After (1)

Application Number Title Priority Date Filing Date
US07/542,267 Expired - Lifetime USD339641S (en) 1989-12-27 1990-06-22 Frame member for constructing a duct

Country Status (1)

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US (2) USD335173S (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD362250S (en) 1994-06-20 1995-09-12 International Business Machines Corporation PCMCIA radio telephone
USD575382S1 (en) * 2007-04-19 2008-08-19 Frank Hammes Air flow cabinet
US12121840B2 (en) 2021-01-22 2024-10-22 Airotrust LLC Multi-piece HVAC air filter housing, filter assembly and methods
USD1077171S1 (en) * 2020-07-30 2025-05-27 Airotrust LLC Multi-piece air filter housing
USD1085387S1 (en) * 2023-06-13 2025-07-22 Hephzibah Co., Ltd. Filter kit
USD1116055S1 (en) * 2022-09-23 2026-03-03 Camfil Ab Filter extender panel

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD369341S (en) 1994-03-28 1996-04-30 Davidson Charles T Vehicle arm rest
USD415412S (en) 1997-07-10 1999-10-19 Constance Chavers Furniture/appliance space filling device
USD455851S1 (en) 2001-01-18 2002-04-16 The Hoover Company Headlight for a carpet extractor
USD472456S1 (en) 2001-04-02 2003-04-01 Snyder National Corporation Clamp cover
US6932303B2 (en) 2002-12-10 2005-08-23 Snyder National Corporation Clamp cover
USD576107S1 (en) * 2007-01-26 2008-09-02 Adc Telecommunications, Inc. Fiber trough lateral component
USD605930S1 (en) * 2009-06-01 2009-12-15 DisplayCraft, Inc. Small shelf bracket
CA147253S (en) * 2012-03-09 2013-11-01 Power Retailing Group S A De C V Packaging stacker
USD752306S1 (en) * 2012-07-23 2016-03-22 Kenneth Mak Loose material collection device
USD828521S1 (en) * 2014-03-13 2018-09-11 Dallmer Gmbh & Co. Kg Drain
JP1621288S (en) * 2018-03-19 2019-01-07
USD1069567S1 (en) * 2024-11-19 2025-04-08 Xing Luo Guide rail

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023032A (en) 1956-11-09 1962-02-27 Gen Electric Couplings for sheet wireway ducts
US3338599A (en) 1965-06-30 1967-08-29 Square D Co Transposition section for lay-in duct
US3677517A (en) 1971-03-03 1972-07-18 Ruskin Mfg Co Wrap-around damper frame
US4077434A (en) 1976-05-27 1978-03-07 Federal Cartridge Corporation Sealed lay-in conduit duct
GB2038434B (en) 1978-08-14 1982-09-29 Ductmate Ind Inc Flange type duct joint assemblies to connect the end portions of generally rectangular ducts
US4564227A (en) 1984-01-26 1986-01-14 Murck James W Flanged duct joint utilizing snap-in corner pieces

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1919716A (en) 1929-07-29 1933-07-25 Freeman Axel Metal partition
US2667241A (en) 1945-11-16 1954-01-26 Nat Steel Corp Prefabricated building structure
US2576296A (en) 1947-09-25 1951-11-27 Lee B Green Joint construction for panels
DE826866C (en) 1949-03-01 1952-01-07 Staba G M B H Components for building and handicraft games
US3286405A (en) 1964-05-14 1966-11-22 William T Schembri Access door
US3854248A (en) 1973-05-21 1974-12-17 L Dayus Duct access door
US4028856A (en) 1976-01-26 1977-06-14 Mallyclad Corporation Cover wall construction
US4598516A (en) 1982-09-13 1986-07-08 Groshong Frank E Ceiling finish joint for dry wall partitions and method of making same
US4553363A (en) 1982-09-23 1985-11-19 Weinar Roger N Outside wallboard corner construction and edging member for said corners

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023032A (en) 1956-11-09 1962-02-27 Gen Electric Couplings for sheet wireway ducts
US3338599A (en) 1965-06-30 1967-08-29 Square D Co Transposition section for lay-in duct
US3677517A (en) 1971-03-03 1972-07-18 Ruskin Mfg Co Wrap-around damper frame
US4077434A (en) 1976-05-27 1978-03-07 Federal Cartridge Corporation Sealed lay-in conduit duct
GB2038434B (en) 1978-08-14 1982-09-29 Ductmate Ind Inc Flange type duct joint assemblies to connect the end portions of generally rectangular ducts
US4564227A (en) 1984-01-26 1986-01-14 Murck James W Flanged duct joint utilizing snap-in corner pieces

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD362250S (en) 1994-06-20 1995-09-12 International Business Machines Corporation PCMCIA radio telephone
USD575382S1 (en) * 2007-04-19 2008-08-19 Frank Hammes Air flow cabinet
USD1077171S1 (en) * 2020-07-30 2025-05-27 Airotrust LLC Multi-piece air filter housing
US12121840B2 (en) 2021-01-22 2024-10-22 Airotrust LLC Multi-piece HVAC air filter housing, filter assembly and methods
USD1116055S1 (en) * 2022-09-23 2026-03-03 Camfil Ab Filter extender panel
USD1085387S1 (en) * 2023-06-13 2025-07-22 Hephzibah Co., Ltd. Filter kit

Also Published As

Publication number Publication date
USD339641S (en) 1993-09-21

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