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Extract from the Register of European Patents

EP About this file: EP0001882

EP0001882 - Depressible contactless key for generating electric signals in an electronic keyboard [Right-click to bookmark this link]
Former [1981/49]Elastomeric material conductive under pressure and application in keyboards
[1981/49]
StatusNo opposition filed within time limit
Status updated on  14.09.2016
Database last updated on 13.07.2024
Most recent event   Tooltip14.09.2016No opposition filed within time limit 
Applicant(s)For all designated states
Ing. C. Olivetti & C., S.p.A.
Via G. Jervis 77
10015 Ivrea / IT
[N/P]
Inventor(s)01 / Varesio, Franco, Dr.
Via Latina 2
Torino / IT
[N/P]
Representative(s)Pears, David Ashley, et al
REDDIE & GROSE 16 Theobalds Road
London WC1X 8PL / GB
[1981/49]
Application number, filing date78300393.218.09.1978
Priority number, dateIT1977006948607.11.1977         Original published format: IT 6948677
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0001882
Date:16.05.1979
Language:EN
[N/P]
Type: B1 Patent specification 
No.:EP0001882
Date:09.12.1981
Language:EN
[1981/49]
Search report(s)(Supplementary) European search report - dispatched on:EP20.02.1979
ClassificationIPC:H01H1/02, H01B1/22, H01H13/10, H01H13/70, H01H35/00
[1981/49]
CPC:
H01C10/106 (EP); H01H13/702 (EP); H01H13/785 (EP);
H01H2201/036 (EP); H01H2207/008 (EP); H01H2227/012 (EP);
H01H2227/014 (EP) (-)
Former IPC [1981/49]H01H1/02, H01B5/16, H01H13/10, H01H13/70, H01H35/00
Designated contracting statesDE,   FR,   GB 
TitleGerman:Kontaktfreier Drücktaster zur Verwendung in einer elektronischen Tastatur[1981/49]
English:Depressible contactless key for generating electric signals in an electronic keyboard[1981/49]
French:Touche à pression sans contact utilisable dans un clavier électronique[1981/49]
Former [1981/49]Unter Druck leitend werdendes Elastomer und seine Verwendung für Tastaturen
Former [1981/49]Elastomeric material conductive under pressure and application in keyboards
Former [1981/49]Elastomère devenant conducteur sous pression et son application aux claviers
Examination procedure26.10.1979Examination requested  [1980/01]
29.01.1980Despatch of a communication from the examining division (Time limit: M06)
30.06.1980Reply to a communication from the examining division
09.04.1981Despatch of communication of intention to grant (Approval: )
21.05.1981Communication of intention to grant the patent
01.07.1981Fee for grant paid
01.07.1981Fee for publishing/printing paid
Opposition(s)09.09.1982No opposition filed within time limit [ N /P ]
Fees paidRenewal fee
26.09.1980Renewal fee patent year 03
16.09.1981Renewal fee patent year 04
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Documents cited:Search[XP]DE2729959  ;
 CH547007  [ ];
 DE1939642  [ ];
 DE2006176  [ ];
 [A]FR2182099
 [D]  - JOURNAL OF APPLIED PHYSICS, vol. 44, no. 6, June 1973, B.E. SPRINGETT: "Conductivity of a system of metallic particles dispersed in an insulating medium"pages 2925 to 2926
 [D]  - SEVENTH ANNUAL CONNECTOR SYMPOSIUM PROCEEDINGS, October 1974, Camden, New Jersey, (USA) CH. KUIST: "Anisotropic Conduction in Elastomeric Compositespages 203 to 209
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.