Deutsch English Français

Contact

EP0376492

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: EP0376492

EP0376492 - An optical device [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 25.05.1995 Database last updated on 14.09.2024
Most recent event Tooltip	16.10.2009	Change - representative	published on 18.11.2009 [2009/47]
Applicant(s)	For all designated states BRITISH TELECOMMUNICATIONS public limited company 81 Newgate Street London EC1A 7AJ / GB
	[N/P]
Former [1993/28]	For all designated states BRITISH TELECOMMUNICATIONS public limited company 81 Newgate Street London EC1A 7AJ / GB
Former [1990/27]	For all designated states BRITISH TELECOMMUNICATIONS public limited company 81 Newgate Street London EC1A 7AJ / GB
Inventor(s)	01 / Stanley, Ian William Meadow Barn Tuddenham St Martin Near Ipswich Suffolk IP6 9DA / GB
	[1990/27]
Representative(s)	Roberts, Simon Christopher, et al BT Group Legal Intellectual Property Department PP C5A. BT Centre 81 Newgate Street, London EC1A 7AJ / GB
	[N/P]
Former [2009/47]	Roberts, Simon Christopher, et al BT Group Legal Intellectual Property Department PP C5A. BT Centre 81 Newgate Street London EC1A 7AJ / GB
Former [1993/50]	Roberts, Simon Christopher, et al BT Group Legal Services Intellectual Property Department 151 Gower Street London WC1E 6BA / GB
Former [1992/38]	Wright, Hugh Ronald Brookes & Martin 52/54 High Holborn London WC1V 6SE / GB
Former [1990/27]	Greenwood, John David British Telecom Intellectual Property Unit 151 Gower Street London WC1E 6BA / GB
Application number, filing date	89312434.7	29.11.1989
	[1990/27]
Priority number, date	GB19880027872	29.11.1988 Original published format: GB 8827872
	[1990/27]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0376492
	Date:	04.07.1990
	Language:	EN
	[1990/27]
	Type:	B1 Patent specification
	No.:	EP0376492
	Date:	20.07.1994
	Language:	EN
	[1994/29]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	24.04.1990
Classification	IPC:	G02B6/42, G01B11/27, C03C25/00	[1990/27]
	CPC:	G02B6/4222 (EP,US); G02B6/42 (KR); C03C25/1061 (EP,US); G01B11/272 (EP,US); G02B6/4203 (EP,US)
Designated contracting states	AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1990/27]
Title	German:	Optisches Element	[1990/27]
	English:	An optical device	[1990/27]
	French:	Elément optique	[1990/27]
Examination procedure	02.01.1991	Examination requested [1991/10]
	15.07.1992	Despatch of a communication from the examining division (Time limit: M04)
	19.10.1992	Reply to a communication from the examining division
	06.11.1992	Despatch of a communication from the examining division (Time limit: M06)
	19.03.1993	Reply to a communication from the examining division
	13.04.1993	Despatch of a communication from the examining division (Time limit: M02)
	13.05.1993	Reply to a communication from the examining division
	05.08.1993	Despatch of communication of intention to grant (Approval: Yes)
	14.01.1994	Communication of intention to grant the patent
	22.04.1994	Fee for grant paid
	22.04.1994	Fee for publishing/printing paid
Opposition(s)	21.04.1995	No opposition filed within time limit [1995/28]
Fees paid	Renewal fee
	08.10.1991	Renewal fee patent year 03
	20.10.1992	Renewal fee patent year 04
	02.11.1993	Renewal fee patent year 05
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.
Lapses during opposition Tooltip	AT	20.07.1994
	BE	20.07.1994
	CH	20.07.1994
	ES	20.07.1994
	GR	20.07.1994
	IT	20.07.1994
	LI	20.07.1994
	SE	20.10.1994
	LU	30.11.1994
	[2002/24]
Former [2000/04]	AT	20.07.1994
	BE	20.07.1994
	CH	20.07.1994
	GR	20.07.1994
	IT	20.07.1994
	LI	20.07.1994
	SE	20.10.1994
	LU	30.11.1994
Former [1999/42]	AT	20.07.1994
	BE	20.07.1994
	CH	20.07.1994
	IT	20.07.1994
	LI	20.07.1994
	SE	20.10.1994
Former [1995/29]	AT	20.07.1994
	BE	20.07.1994
	CH	20.07.1994
	LI	20.07.1994
	SE	20.10.1994
Former [1995/15]	AT	20.07.1994
	BE	20.07.1994
	CH	20.07.1994
	LI	20.07.1994
Former [1995/12]	BE	20.07.1994
	CH	20.07.1994
	LI	20.07.1994
Former [1995/03]	CH	20.07.1994
	LI	20.07.1994
Documents cited:	Search	[Y]JP59007312 ;
		[A]JP56167115 ;
		[A]JP55073011 ;
		[A]US4143940 (KHOE GIOK D);
		[A]US4334774 (GLASS ALASTAIR M, et al);
		[A]US4367952 (AHRENS HARALD [DE], et al);
		[Y]FR2535857 (SPECTEC [FR])
		[Y] - PATENT ABSTRACTS OF JAPAN, vol. 8, no. 92 (P-271)[1529], 27th April 1984; & JP-A-59 007 312 (NIPPON DENKI) 14-01-1984, & JP59007312 A 00000000
		[A] - ELECTRONICS LETTERS, vol. 11, no. 14, 10th July 1975, Stevenhage, Herts, GB; R.B. DYOTT: "Direct coupling from a GaAs laser into a single-mode fibre", pages 308-309
		[A] - PATENT ABSTRACTS OF JAPAN, vol. 6, no. 53 (P-109)[931], 8th April 1982; & JP-A-56 167 115 (FUJITSU) 22-12-1981, & JP56167115 A 00000000
		[A] - PATENT ABSTRACTS OF JAPAN, vol. 4, no. 118 (P-24)[600], 22nd August 1980; & JP-A-55 073 011 (FUJITSU) 02-06-1980, & JP55073011 A 00000000
	Examination	- Taschenbuch der Physik, (1981) Verlag Harri Deutsch, S. 603-607

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