USD468007S1 - Pleat spacer for air filter - Google Patents

Pleat spacer for air filter Download PDF

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Publication number
USD468007S1
USD468007S1 US29/134,001 US13400197F USD468007S US D468007 S1 USD468007 S1 US D468007S1 US 13400197 F US13400197 F US 13400197F US D468007 S USD468007 S US D468007S
Authority
US
United States
Prior art keywords
air filter
pleat spacer
pleat
spacer
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.)
Expired - Lifetime
Application number
US29/134,001
Inventor
Richard J. Osendorf
Timothy John Smith
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.)
Donaldson Co Inc
Original Assignee
Donaldson Co Inc
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 Donaldson Co Inc filed Critical Donaldson Co Inc
Priority to US29/134,001 priority Critical patent/USD468007S1/en
Application granted granted Critical
Publication of USD468007S1 publication Critical patent/USD468007S1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a perspective view of a pleat spacer for air filter;
FIG. 2 is a right side elevational view of FIG. 1, the left side elevational view being a mirror image thereof with an identical appearance;
FIG. 3 is a front side elevational view of FIG. 1, the back side elevational view being a mirror image thereof with an identical appearance;
FIG. 4 is a bottom plan view of FIG. 1; and,
FIG. 5 is a top plan view of FIG. 1.

Claims (1)

  1. The ornamental design for a pleat spacer for air filter, as shown and described.
US29/134,001 1996-10-25 1997-11-12 Pleat spacer for air filter Expired - Lifetime USD468007S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/134,001 USD468007S1 (en) 1996-10-25 1997-11-12 Pleat spacer for air filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6159396 1996-10-25
US29/134,001 USD468007S1 (en) 1996-10-25 1997-11-12 Pleat spacer for air filter

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US29061593 Continuation 1996-10-25

Publications (1)

Publication Number Publication Date
USD468007S1 true USD468007S1 (en) 2002-12-31

Family

ID=27752618

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/134,001 Expired - Lifetime USD468007S1 (en) 1996-10-25 1997-11-12 Pleat spacer for air filter

Country Status (2)

Country Link
US (1) USD468007S1 (en)
AU (1) AU132065S (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100064644A1 (en) * 2008-09-18 2010-03-18 Yuqing Ding Laminate filter

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135863A (en) 1937-07-09 1938-11-08 Warren S Moore Air filter
US3138443A (en) 1960-03-07 1964-06-23 Cambridge Filter Mfg Corp Filter
US3606739A (en) 1969-07-10 1971-09-21 Donald A Peterson Air filter
US3789589A (en) 1973-02-28 1974-02-05 Res Prod Corp High performance filter assembly
US3869392A (en) 1972-02-03 1975-03-04 Knecht Filterwerke Gmbh Filter cartridge
US4133661A (en) 1977-11-25 1979-01-09 General Motors Corporation Air filter assembly
CA1073826A (en) 1976-05-14 1980-03-18 Stanley H. Frohmader Filter media
US4488966A (en) 1980-01-24 1984-12-18 Brunswick Corporation Filter pleat support means
US4547950A (en) 1984-05-29 1985-10-22 Honeywell Inc. Method of spacing the folds of a folded filter media
US4617122A (en) 1984-08-01 1986-10-14 Donaldson Company, Inc. Crimp seal pleated filter assembly
US4701196A (en) 1986-09-15 1987-10-20 Research Products Corporation Air filter assembly
US4963171A (en) 1989-11-02 1990-10-16 Donaldson Company, Inc. High efficiency filter and method of fabricating same
US5273564A (en) 1992-12-24 1993-12-28 Research Products Corporation One piece filter media framework
US5273563A (en) 1992-12-24 1993-12-28 Research Products Corp. Filter media retaining assembly for an air filter
US5290345A (en) 1993-01-13 1994-03-01 Donaldson Company, Inc. Refillable gas adsorption bed assembly and counterflow adsorber module

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135863A (en) 1937-07-09 1938-11-08 Warren S Moore Air filter
US3138443A (en) 1960-03-07 1964-06-23 Cambridge Filter Mfg Corp Filter
US3606739A (en) 1969-07-10 1971-09-21 Donald A Peterson Air filter
US3869392A (en) 1972-02-03 1975-03-04 Knecht Filterwerke Gmbh Filter cartridge
US3789589A (en) 1973-02-28 1974-02-05 Res Prod Corp High performance filter assembly
CA1073826A (en) 1976-05-14 1980-03-18 Stanley H. Frohmader Filter media
US4133661A (en) 1977-11-25 1979-01-09 General Motors Corporation Air filter assembly
US4488966A (en) 1980-01-24 1984-12-18 Brunswick Corporation Filter pleat support means
US4547950A (en) 1984-05-29 1985-10-22 Honeywell Inc. Method of spacing the folds of a folded filter media
US4617122A (en) 1984-08-01 1986-10-14 Donaldson Company, Inc. Crimp seal pleated filter assembly
US4701196A (en) 1986-09-15 1987-10-20 Research Products Corporation Air filter assembly
US4963171A (en) 1989-11-02 1990-10-16 Donaldson Company, Inc. High efficiency filter and method of fabricating same
US5273564A (en) 1992-12-24 1993-12-28 Research Products Corporation One piece filter media framework
US5273563A (en) 1992-12-24 1993-12-28 Research Products Corp. Filter media retaining assembly for an air filter
US5290345A (en) 1993-01-13 1994-03-01 Donaldson Company, Inc. Refillable gas adsorption bed assembly and counterflow adsorber module

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Declaration of Richard J. Osendorf with Exhibits A-C.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100064644A1 (en) * 2008-09-18 2010-03-18 Yuqing Ding Laminate filter
US8097060B2 (en) 2008-09-18 2012-01-17 Scott Technologies, Inc. Laminate filter

Also Published As

Publication number Publication date
AU132065S (en) 1997-11-17

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