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EP0117841

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Extract from the Register of European Patents

EP About this file: EP0117841

EP0117841 - Modified liquid permeable asbestos diaphragms with improved dimensional stability [Right-click to bookmark this link]
Status	The application is deemed to be withdrawn Status updated on 18.05.1993 Database last updated on 26.03.2026
Most recent event Tooltip	07.07.2007	Change - inventor	published on 08.08.2007 [2007/32]
Applicant(s)	For all designated states OxyTech Systems, Inc. 100 Seventh Avenue Chardon Ohio 44024-1000 / US
	[N/P]
Former [1992/07]	For all designated states OxyTech Systems, Inc. 100 Seventh Avenue Chardon, Ohio 44024-1000 / US
Former [1985/04]	For all designated states ELTECH SYSTEMS CORPORATION Corporate Headquarters 6100 Glades Road/Suite 305 Boca Raton Florida 33434 / US
Former [1984/36]	For all designated states ELTECH SYSTEMS CORPORATION Corporate Headquarters 6100 Glades Road/Suite 305 Boca Raton Florida 33434 / US
Inventor(s)	01 / Hruska, Louis W. 4366 North Broadway Geneva Ohio 44041 / US
	02 / Tsai, Shan-Pu 7587 Roselawn Drive Mentor Ohio 44060 / US
	[1984/36]
Representative(s)	Cronin, Brian Harold John, et al CRONIN Intellectual Property Chemin de Précossy 31 1260 Nyon / CH
	[N/P]
Former [1984/36]	Cronin, Brian Harold John, et al c/o DST SA 9, Route de Troinex CH-1227 Carouge/GE / CH
Application number, filing date	84810020.2	12.01.1984
	[1984/36]
Priority number, date	US19830461565	27.01.1983 Original published format: US 461565
	US19830555807	28.11.1983 Original published format: US 555807
	[1984/45]
Former [1984/36]	US19830461565	27.01.1983
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP0117841
	Date:	05.09.1984
	Language:	EN
	[1984/36]
	Type:	A3 Search report
	No.:	EP0117841
	Date:	05.11.1986
	Language:	EN
	[1986/45]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	18.09.1986
Classification	IPC:	C25B13/04	[1984/36]
	CPC:	C25B13/04 (EP,US); Y10T428/3154 (EP,US); Y10T428/31544 (EP,US); Y10T428/31652 (EP,US); Y10T442/60 (EP,US)
Designated contracting states	BE, DE, FR, GB, IT, NL, SE [1984/36]
Title	German:	Modifiziertes flüssigkeitsdurchlässiges Asbestdiaphragma mit verbesserter Dimensionsstabilität	[1984/36]
	English:	Modified liquid permeable asbestos diaphragms with improved dimensional stability	[1984/36]
	French:	Diaphragme en amiante modifié perméable aux liquides présentant une stabilité dimensionnelle améliorée	[1984/36]
File destroyed:	12.06.1999
Examination procedure	28.02.1985	Examination requested [1985/20]
	05.11.1987	Despatch of a communication from the examining division (Time limit: M04)
	15.03.1988	Reply to a communication from the examining division
	05.08.1988	Despatch of a communication from the examining division (Time limit: M04)
	17.03.1989	Reply to a communication from the examining division
	28.09.1989	Despatch of a communication from the examining division (Time limit: M04)
	16.05.1990	Reply to a communication from the examining division
	18.03.1991	Despatch of a communication from the examining division (Time limit: M02)
	27.06.1991	Reply to a communication from the examining division
	16.08.1991	Despatch of communication of intention to grant (Approval: Yes)
	10.01.1992	Communication of intention to grant the patent
	21.04.1992	Application deemed to be withdrawn, date of legal effect [1993/27]
	12.02.1993	Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time [1993/27]
Request for further processing for:	27.06.1991	Request for further processing filed
	27.06.1991	Full payment received (date of receipt of payment) Request granted
	02.08.1991	Decision despatched
Fees paid	Renewal fee
	03.03.1986	Renewal fee patent year 03
	17.12.1986	Renewal fee patent year 04
	14.12.1987	Renewal fee patent year 05
	19.12.1988	Renewal fee patent year 06
	18.12.1989	Renewal fee patent year 07
	31.12.1990	Renewal fee patent year 08
	30.12.1991	Renewal fee patent year 09
	Penalty fee
	Additional fee for renewal fee
	31.01.1986	03 M06 Fee paid on 03.03.1986
	31.01.1993	10 M06 Not yet paid
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