blank Quick help
blank Maintenance news

Scheduled maintenance

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

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News Flashes

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

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0044138

EP0044138 - Electrical circuit on porcelain coated metal substrate [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.03.1988
Database last updated on 27.07.2024
Most recent event   Tooltip11.03.1988No opposition filed within time limitpublished on 27.04.1988 [1988/17]
Applicant(s)For all designated states
NORTHERN TELECOM LIMITED
1600 Dorchester Boulevard West Montreal
Quebec H3H 1R1 / CA
[N/P]
Former [1982/03]For all designated states
NORTHERN TELECOM LIMITED
1600 Dorchester Boulevard West
Montreal Quebec H3H 1R1 / CA
Inventor(s)01 / Chaput, Guy John
R.R. Nos. 2
Carlton Place Ontario K7C 3P2 / CA
02 / Sich, Edward Matthew
1300 Pinecrest Road Apt. 1514
Ottawa Ontario K2C 3M5 / CA
[1982/03]
Representative(s)Crawford, Andrew Birkby, et al
A.A. Thornton & Co. 235 High Holborn
London WC1V 7LE / GB
[N/P]
Former [1982/03]Crawford, Andrew Birkby, et al
A.A. THORNTON & CO. Northumberland House 303-306 High Holborn
London WC1V 7LE / GB
Application number, filing date81302626.712.06.1981
[1982/03]
Priority number, dateCA1980035587610.07.1980         Original published format: CA 355876
[1982/03]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0044138
Date:20.01.1982
Language:EN
[1982/03]
Type: A3 Search report 
No.:EP0044138
Date:20.04.1983
Language:EN
[1983/16]
Type: B1 Patent specification 
No.:EP0044138
Date:06.05.1987
Language:EN
[1987/19]
Search report(s)(Supplementary) European search report - dispatched on:EP15.02.1983
ClassificationIPC:H05K3/44
[1982/03]
CPC:
H05K1/053 (EP); H05K1/0215 (EP); H05K1/16 (EP);
H05K1/162 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   LI,   NL,   SE [1982/03]
TitleGerman:Elektrische Schaltung auf einem Metallträger mit Porzellanüberzug[1982/03]
English:Electrical circuit on porcelain coated metal substrate[1982/03]
French:Circuit électrique sur un substrat métallique recouvert de porcelaine[1982/03]
File destroyed:12.06.1999
Examination procedure31.05.1983Examination requested  [1984/03]
11.03.1985Despatch of a communication from the examining division (Time limit: M04)
17.07.1985Reply to a communication from the examining division
04.02.1986Despatch of a communication from the examining division (Time limit: M02)
03.04.1986Reply to a communication from the examining division
30.07.1986Despatch of communication of intention to grant (Approval: )
07.11.1986Communication of intention to grant the patent
03.02.1987Fee for grant paid
03.02.1987Fee for publishing/printing paid
Opposition(s)09.02.1988No opposition filed within time limit [1988/17]
Fees paidRenewal fee
15.06.1983Renewal fee patent year 03
12.06.1984Renewal fee patent year 04
20.06.1985Renewal fee patent year 05
11.06.1986Renewal fee patent year 06
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[A]GB939394  (ELECTRALAB PRINTED ELECTRONICS);
 [Y]FR1584094  ;
 [Y]FR2305913  (SMOLKO GENNADY [SU]);
 [A]US4074419  (HANNI STEPHEN L, et al);
 [A]EP0006810  (MATERIEL TELEPHONIQUE [FR]);
 [A]US4188652  (SMOLKO GENNADY G [SU])
 [XP]  - RCA REVIEW, vol.42, no.2, June 1981, PRINCETON, N.J. (US) D.P. DORSEY et al.: "The design, construction, and evaluation of a porcelainized-steel-substrate hybrid-circuit module", pages 298-321
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.