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

2022.02.11

More...
blank News flashes

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register User Manual
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP0637480

EP0637480 - Apparatus and process for aluminothermic welding [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  19.03.1999
Database last updated on 21.03.2026
Most recent event   Tooltip08.08.2008Change - representativepublished on 10.09.2008  [2008/37]
Applicant(s)For all designated states
Radulescu, R. Stefan
1130 University Avenue
Palo Alto, CA 94301 / US
[1995/06]
Inventor(s)01 / see applicant
...
[1995/06]
Representative(s)Hauck Patent- und Rechtsanwälte PartmbB
Schwanthalerstrasse 106
80339 München / DE
[N/P]
Former [2008/37]Hauck Patent- und Rechtsanwälte
Schwanthalerstrasse 106
80339 München / DE
Former [1998/32]Patentanwälte Hauck, Graalfs, Wehnert, Döring, Siemons
Mozartstrasse 23
80336 München / DE
Former [1995/06]Hauck, Hans, Dipl.-Ing., et al
Mozartstrasse 23
D-80336 München / DE
Application number, filing date94106055.019.04.1994
[1995/06]
Priority number, dateUS1993004865319.04.1993         Original published format: US 48653
[1995/06]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0637480
Date:08.02.1995
Language:EN
[1995/06]
Search report(s)(Supplementary) European search report - dispatched on:EP08.09.1994
ClassificationIPC:B23K23/00
[1995/06]
CPC:
B23K23/00 (EP,US); E01B11/52 (EP,US); B23K2101/26 (EP,US)
Designated contracting statesAT,   DE,   ES,   FR,   GB,   IT,   SE [1995/06]
TitleGerman:Vorrichtung und Verfahren zum aluminothermischen Schweissen[1995/06]
English:Apparatus and process for aluminothermic welding[1995/06]
French:Appareil et procédé pour le soudage aluminothermique[1995/06]
Examination procedure08.08.1995Examination requested  [1995/40]
30.08.1996Despatch of a communication from the examining division (Time limit: M07)
27.03.1997Reply to a communication from the examining division
17.07.1997Despatch of a communication from the examining division (Time limit: M06)
26.01.1998Reply to a communication from the examining division
25.06.1998Despatch of communication of intention to grant (Approval: Yes)
31.10.1998Application deemed to be withdrawn, date of legal effect  [1999/18]
13.11.1998Communication of intention to grant the patent
03.12.1998Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [1999/18]
Fees paidRenewal fee
30.04.1996Renewal fee patent year 03
25.04.1997Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
30.04.199805   M06   Not yet paid
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] RO80214  
 [A]   DATABASE WPI Week 8325, Derwent World Patents Index; AN 83-60560K [A] 1 * abstract *
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.