Signals and indicators – Indicators – Fluid flow
Reexamination Certificate
2005-12-20
2005-12-20
Fulton, Christopher W. (Department: 2859)
Signals and indicators
Indicators
Fluid flow
C116S273000, C116SDIG007, C116SDIG002
Reexamination Certificate
active
06976448
ABSTRACT:
The present disclosure relates to a restriction indicator for an air cleaner system of an internal combustion engine. The restriction indicator includes a housing divided into first and second chambers by a diaphragm. A signal member is connected to the diaphragm. The signal member is moveable along an axis between a reset position and a first indicator position, and defines an axial opening within which a first retaining shoulder is located. A guide member is provided for guiding the signal member as the signal member is moved between the reset position and the first axial position. A retaining member is provided for retaining the signal member in the first indicator position. The retaining member extends within the axial opening of the signal member and includes at least two fingers that project radially outward from the axis. The fingers are configured to engage the first retaining shoulder to retain the signal member in the first indicator position. The restriction indicator further includes a reset button for deflecting the fingers radially inward to disengage the fingers from the first retaining shoulder thereby allowing the signal member to be returned to the reset position. The reset button includes a portion that extends within the axial opening of the signal member between the retaining member and the signal member.
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Donaldson's Reply Memorandum of Law in Support of its Motion for Summary Judgment (Sep. 8, 2000).
Affidavit of Ken R. Hall in Support of Motion Regarding Supplemental Affidavit of Bridget A. Sullivan, including Exhibits 1-7 (Sep. 14, 2000).
Donaldson Company, Inc.'s Response to Engineered Products Co.'s Rebuttal to Defendant's Statement of Uncontroverted Facts (Sep. 15, 2000).
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Markman Hearing and Summary Judgment Motions, Part I (Sep. 21, 2000).
Markman Hearing and Summary Judgment Motions, Part 2 (Sep. 21, 2000).
Opinion and Order (Mar. 27, 2001).
Donaldson Company, Inc.'s Motion and Memorandum of Law in Support of its Rule 60(b) Motion or, Alternatively, for Certification of Interlocutory Appeal (May 17, 2001).
Affidavit of Bridget Sullivan in Support of Engineered Products Co.'s Response to Defendant's Motion Pursuant to Rule 60(b) or, Alternatively, for Certification of Interlocutory Appeal, including Exhibits 1-6 (May 31, 2001).
Engineered Products Co.'s Response to Defendant's Motion Pursuant to Rule 60(b) or Alternatively, for Certification of Interlocutory Appeal (Jun. 1, 2001).
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Opinion and Order (Jun. 11, 2001).
Donaldson Company, Inc.'s Brief in Support of Motion for Summary Judgment Based on New Federal Circuit Case Law Re: Double Patenting (Sep. 21, 2001).
Donaldson Company, Inc.'s Statement of Undisputed Material Facts Regarding its Motion for Summary Judgment Based on New Federal Circuit Case Law Re: Double Patenting (Dec. 21, 2001).
Brief of Engineered Products Resisting Donaldson's Motion for Summary Judgment on Double Patenting (Jan. 22, 2002).
Affidavit of Daniel N. Campau, including Exhibits A-C (Jan. 22, 2002).
Response of Engineered Products Co. to Donaldson Co. Inc.'s Statement of Undisputed Material Facts and Additional Facts that Preclude Summary Judgment (Jan. 22, 2002).
Affidavit of James W. Miller, including Exhibits A-C (Feb. 5, 2002).
Donaldson Company Inc.'s Reply Brief in Support of its Motion for Summary Judgment Based on New Federal Circuit Case Law RE: Double Patenting (Feb. 6, 2002).
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Couillard William E.
Diver Robert W.
Kaul Wayne A.
Krisko William J.
Matthys Bernard A.
Donaldson & Company, Inc.
Fulton Christopher W.
Merchant & Gould P.C.
Reis Travis
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