Deutsch English Français

Contact

EP0148863

European procedure

Quick help

Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...

News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...

Extract from the Register of European Patents

EP About this file: EP0148863

EP0148863 - POLARIZATION-INSENSITIVE, EVANESCENT-WAVE, FUSED COUPLER WITH MINIMAL ENVIRONMENTAL SENSITIVITY [Right-click to bookmark this link]
Status	Patent revoked Status updated on 02.08.1996 Database last updated on 25.09.2024
Most recent event Tooltip	02.08.1996	Revocation of patent	published on 18.09.1996 [1996/38]
Applicant(s)	For all designated states GOULD INC. 35129 Curtis Boulevard Eastlake, Ohio 44095 / US
	[1992/29]
Former [1985/30]	For all designated states GOULD INC. 10 Gould Center Rolling Meadows, IL 60008 / US
Inventor(s)	01 / STOWE, David, W. 930 Ridgefield Lane Buffalo Grove, IL 60090 / US
	02 / KOPERA, Paul, M. 3219 Sunset Franklin Park, IL 60131 / US
	[1985/30]
Representative(s)	Read, Matthew Charles, et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD / GB
	[N/P]
Former [1985/30]	Read, Matthew Charles, et al Venner Shipley & Co. 20 Little Britain London EC1A 7DH / GB
Application number, filing date	84902308.0	25.05.1984
	[1985/30]
	WO1984US00820
Priority number, date	US19830498436	26.05.1983 Original published format: US 498436
	[1985/30]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO8404822
	Date:	06.12.1984
	Language:	EN
	[1984/28]
	Type:	A1 Application with search report
	No.:	EP0148863
	Date:	24.07.1985
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 06.12.1984 takes the place of the publication of the European patent application.
	[1985/30]
	Type:	B1 Patent specification
	No.:	EP0148863
	Date:	16.12.1992
	Language:	EN
	[1992/51]
Search report(s)	International search report - published on:	US	06.12.1984
	(Supplementary) European search report - dispatched on:	EP	01.10.1985
Classification	IPC:	G02B6/245, G02B6/28	[1992/51]
	CPC:	G02B6/245 (EP); G02B6/2835 (EP); G02B6/2843 (EP)
	Former IPC [1985/30]	G02B5/172, G02B7/26
Designated contracting states	DE, FR, GB [1985/30]
Title	German:	POLARISATIONSUNEMPFINDLICHER SCHMELZKOPPLER MIT EVANESCIERENDER WELLE UND MINIMALER UMWELTEMPFINDLICHKEIT	[1985/30]
	English:	POLARIZATION-INSENSITIVE, EVANESCENT-WAVE, FUSED COUPLER WITH MINIMAL ENVIRONMENTAL SENSITIVITY	[1985/30]
	French:	COUPLEUR FUSIONNE INSENSIBLE A LA POLARISATION, A ONDE EVANESCENTE ET PRESENTANT UNE SENSIBILITE MINIME A L'ENVIRONNEMENT	[1985/30]
Entry into regional phase	04.02.1985	National basic fee paid
	04.02.1985	Search fee paid
	04.02.1985	Designation fee(s) paid
	04.02.1985	Examination fee paid
Examination procedure	04.02.1985	Examination requested [1985/30]
	15.04.1987	Despatch of a communication from the examining division (Time limit: M08)
	16.12.1987	Reply to a communication from the examining division
	20.07.1988	Despatch of a communication from the examining division (Time limit: M02)
	20.07.1988	Reply to a communication from the examining division
	03.07.1989	Despatch of a communication from the examining division (Time limit: M06)
	10.01.1990	Reply to a communication from the examining division
	12.06.1991	Despatch of a communication from the examining division (Time limit: M06)
	12.11.1991	Reply to a communication from the examining division
	14.02.1992	Despatch of communication of intention to grant (Approval: No)
	05.06.1992	Despatch of communication of intention to grant (Approval: later approval)
	15.06.1992	Communication of intention to grant the patent
	28.08.1992	Fee for grant paid
	28.08.1992	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 16.09.1993 18.11.1993 ADMISSIBLE AOFR Pty Ltd 9 Lyell Street Fyshwick, Australian Capital Territory, 2609 / AU Opponent's representative Strehl Schübel-Hopf & Partner, et al, et al Maximilianstrasse 54 80538 München / DE
		[N/P]
	Former [1993/47]
	Opponent(s)	01 16.09.1993 18.11.1993 ADMISSIBLE AOFR Pty Ltd 9 Lyell Street Fyshwick, Australian Capital Territory, 2609 / AU Opponent's representative Strehl Schübel-Hopf Groening & Partner, et al, et al Maximilianstrasse 54 D-80538 München / DE
	23.11.1993	Invitation to proprietor to file observations on the notice of opposition
	30.03.1994	Reply of patent proprietor to notice(s) of opposition
	25.04.1994	Communication of observations of patent proprietor (Time limit: M04)
	07.03.1996	Date of oral proceedings
	07.03.1996	Legal effect of revocation of patent [1996/38]
	24.04.1996	Despatch of minutes of oral proceedings
	24.04.1996	Despatch of communication that the patent will be revoked
Fees paid	Renewal fee
	22.05.1986	Renewal fee patent year 03
	21.04.1987	Renewal fee patent year 04
	19.04.1988	Renewal fee patent year 05
	19.04.1989	Renewal fee patent year 06
	30.04.1990	Renewal fee patent year 07
	12.04.1991	Renewal fee patent year 08
	15.04.1992	Renewal fee patent year 09
Opt-out from the exclusive Tooltip competence of the Unified Patent Court	See the Register of the Unified Patent Court for opt-out data
	Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:	Search	[ ] - No further relevant documents disclosed
	International search	[A]US4054366 (BARNOSKI MICHAEL K, et al);
		[X]JPS5391752 (NIPPON TELEGRAPH & TELEPHONE);
		[A]GB2038017 (STANDARD TELEPHONES CABLES LTD);
		[A]US4264126 (SHEEM SANG K);
		[X]US4315666 (HICKS JR JOHN W);
		[A]US4336047 (PAVLOPOULOS THEODORE G, et al);
		[A]US4354760 (SCHIFFNER GERHARD);
		[X]EP0074789 (UNIV LELAND STANFORD JUNIOR [US]);
		[XP]US4387954 (BEASLEY J DONALD)
		[X] - Electronics Letters, issued 27 March 1980, R.A. BERGH et al., Single-Mode Fiber Optic Directional Coupler, pages 260-261
		[A] - IEEE Journal of Quantum Electronics, Vol. QE-17, No. 6, issued June 1981, D.C. TRAN et al., Single-Mode Fiber Directional Couplers Fabricated by Twist-Etching Techniques (Stabilization), pages 988-991
		[A] - Optics Letters, Vol. 6, No. 7, issued July 1981, B.S. KAWASAKI et al., Biconicaltaper Single-Mode Fiber Coupler, pages 327-328
		[AP] - Optics Letters, Vol. 8, No. 10, issued October 1983, B.K. NAYER et al., Monomode-Polalization-Maintaining Fiber Directional Coupler, pages 543-545
	Examination	EP0069054
		EP0047960
		EP0093460
		- Electronics Letters, vol. 17, no. 6, 19 March 1981, pp 243-244
		- Electronics Letters, vol. 18, no. 22, 28 October 1982, pp 962-964

The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.

Legal notice
Terms of use
24.2.25; 34p