Extract from the Register of European Patents

EP About this file: EP0123843

EP0123843 - Air drier [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.08.1987
Database last updated on 28.03.2026
Most recent event   Tooltip13.08.1987No opposition filed within time limitpublished on 30.09.1987 [1987/40]
Applicant(s)For all designated states
KNORR-BREMSE AG
Postfach 40 10 60
80710 München / DE
[N/P]
Former [1986/01]For all designated states
KNORR-BREMSE AG
Postfach 40 10 60
D-80710 München / DE
Former [1984/45]For all designated states
Knorr-Bremse GmbH
Moosacher Strasse 80
D-8000 München 40 / DE
Inventor(s)01 / Ruess, Leopold
Trollblumenstrasse 19a
D-8000 München 50 / DE
02 / Unger, Hans
St. Benediktstrasse 7
D-8044 Unterschleissheim / DE
03 / Roider, Willibald
Apothekenweg 8g
D-8056 Neufahrn / DE
[1986/43]
Former [1986/43]01 / Ruess, Leopold
Trollblumenstrasse 19a
D-8000 München 50 / DE
02 / Unger, Hans
St. Benediktstrasse 7
D-8044 Unterschleissheim / DE
03 / Roider, Willibald
Apothekenweg 8g
D-8056 Neufahrm / DE
Former [1985/12]01 / Ruess, Leopold
Trollblumenstrasse 19a
D-8000 München 50 / DE
02 / Unger, Hans
St. Benediktstrasse 7
D-8044 Unterschleissheim / DE
03 / Roider, Willibald
Apothekenweg 8g
Former [1984/45]01 / Ruess, Leopold
Trollblumenstrasse 19a
D-8000 München 50 / DE
02 / Unger, Hans
St. Benediktstrasse 7
D-8044 Unterschleissheim / DE
Application number, filing date84102788.114.03.1984
[1984/45]
Priority number, dateDE1983331168230.03.1983         Original published format: DE 3311682
[1984/45]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0123843
Date:07.11.1984
Language:DE
[1984/45]
Type: B1 Patent specification 
No.:EP0123843
Date:22.10.1986
Language:DE
[1986/43]
Search report(s)(Supplementary) European search report - dispatched on:EP01.08.1984
ClassificationIPC:B60T17/00, B01D53/26
[1986/43]
CPC:
B60T17/008 (EP); B01D53/261 (EP); B60T17/004 (EP);
F01N1/083 (EP)
Former IPC [1984/45]B60T17/00
Designated contracting statesAT,   BE,   DE,   FR,   GB,   IT,   NL,   SE [1984/45]
TitleGerman:Lufttrockner[1984/45]
English:Air drier[1984/45]
French:Dessicateur d'air[1984/45]
Examination procedure08.08.1984Examination requested  [1984/45]
09.09.1985Despatch of a communication from the examining division (Time limit: M04)
20.12.1985Reply to a communication from the examining division
21.03.1986Despatch of communication of intention to grant (Approval: )
10.04.1986Communication of intention to grant the patent
02.07.1986Fee for grant paid
02.07.1986Fee for publishing/printing paid
Opposition(s)23.07.1987No opposition filed within time limit [1987/40]
Fees paidRenewal fee
19.03.1986Renewal fee patent year 03
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