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Extract from the Register of European Patents

EP About this file: EP0020461

EP0020461 - AIR DISTRIBUTION SYSTEM [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  28.01.1986
Database last updated on 14.09.2024
Most recent event   Tooltip28.01.1986No opposition filed within time limitpublished on 19.03.1986 [1986/12]
Applicant(s)For all designated states
MITCO CORPORATION
440 Somerville Avenue
Somerville, MA 02143 / US
[1981/01]
Inventor(s)01 / GORCHEV, Dimiter
8 Whittier Place
Boston, MA 02114 / US
02 / INGARD, Karl Uno
Kittery Point
ME 03905 / US
03 / WILLKE, Herbert L., Jr.
55 Magazine Street
Cambridge, MA 02139 / US
[1981/01]
Representative(s)Holdcroft, James Gerald, et al
Graham Watt & Co LLP
St Botolph's House
7-9 St Botolph's Road
Sevenoaks
Kent TN13 3AJ / GB
[N/P]
Former [1981/01]Holdcroft, James Gerald, Dr., et al
Graham Watt & Co., Riverhead
Sevenoaks, Kent TN13 2BN / GB
Application number, filing date79901272.920.09.1979
[1981/01]
WO1979US00745
Priority number, dateUS1978094413420.09.1978         Original published format: US 944134
[1981/01]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO8000743
Date:17.04.1980
[1980/08]
Type: A1 Application with search report 
No.:EP0020461
Date:07.01.1981
Language:EN
The application published by WIPO in one of the EPO official languages on 17.04.1980 takes the place of the publication of the European patent application.
[1981/01]
Type: B1 Patent specification 
No.:EP0020461
Date:27.03.1985
Language:EN
[1985/13]
Search report(s)(Supplementary) European search report - dispatched on:EP24.03.1981
ClassificationIPC:F24F13/04, F24F7/06
[1981/01]
CPC:
F24F13/24 (EP,US); F24F3/044 (EP,US); F24F7/08 (EP,US);
Y10S454/906 (EP,US)
Designated contracting statesFR [1981/01]
TitleGerman:LUFTVERTEILSYSTEM[1981/01]
English:AIR DISTRIBUTION SYSTEM[1981/01]
French:SYSTEME DE DISTRIBUTION D'AIR[1981/01]
Entry into regional phase11.06.1980National basic fee paid 
11.06.1980Search fee paid 
11.06.1980Designation fee(s) paid 
14.10.1980Examination fee paid 
Examination procedure14.10.1980Examination requested  [1981/01]
15.03.1982Despatch of a communication from the examining division (Time limit: M04)
21.06.1982Reply to a communication from the examining division
08.09.1982Despatch of a communication from the examining division (Time limit: M05)
07.02.1983Reply to a communication from the examining division
21.07.1983Despatch of a communication from the examining division (Time limit: M04)
29.10.1983Reply to a communication from the examining division
20.01.1984Despatch of a communication from the examining division (Time limit: M02)
19.03.1984Reply to a communication from the examining division
19.06.1984Despatch of communication of intention to grant (Approval: )
05.09.1984Communication of intention to grant the patent
12.11.1984Fee for grant paid
12.11.1984Fee for publishing/printing paid
Opposition(s)28.12.1985No opposition filed within time limit [1986/12]
Fees paidRenewal fee
04.09.1981Renewal fee patent year 03
15.09.1982Renewal fee patent year 04
15.09.1983Renewal fee patent year 05
18.09.1984Renewal fee patent year 06
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:SearchDE1683572  [ ] (SCHOETTLER BENNO);
 GB1423986  [ ] (COLCHESTER WOODS);
 FR2176654  [ ] (INST PENTRU CREATIE STINTIFIC [RO]);
 FR2266780  [ ] (ETERNIT FINANCIERE [FR]);
 US3049067  [ ] (LYSIANE CLAUDE JANINE);
 US3965933  [ ] (BEAUDIN PATRICK L)
International search[X]US3748997  (DEAN F, et al);
 [X]US2295251  (BAKER THOMAS A);
 [X]GB444206  (RALPH POOLE, et al);
 [X]GB1198549  (PAR ACOUSTICS LTD);
 [A]CA715865  (GRUENZWEIG & HARTMANN);
 [X]DE708098  (BBC BROWN BOVERI & CIE);
 [X]US2267425  (WILLIAM ROWE, et al)
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.