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Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL.: (2006.01) B21B 29/00
Patent
(11) Number of the document 2034
(13) Kind of document B
(21) Application number RP343
(22) Date of filing the application 1993-02-13
(41) Date of publication of the application
(45) Date of publication of patent 1993-04-15
PCT application
(86) Number 1306468
Date 1981-10-14
Priority applications
(30) Number Date Country code
30 38 865.9 1980-10-15 DE
Applicant
(71) SMS SCHLOEMANN-SIEMAG AG, Eduard-Schloemann-Str. 4, 40237 Duesseldorf, DE
Inventors
(72) Hugo FELDMANN, DE
Friedrich HOLLMANN, DE
Gerd BEISEMANN, DE
Horst GAERTNER, DE
Grantee
(73) SMS SCHLOEMANN-SIEMAG AG, Eduard-Schloemann-Str. 4, 40237 Duesseldorf, DE
Attorney or representative
(74) Virgina Adolfina DRAUGELIENĖ, UAB TARPINĖ, A.P.Kavoliuko g. 24-152, LT-04328 Vilnius, LT
Title
(54)
Last renewal fee
Payment date Validity (years) Amount
1996-03-08 6 375.00 USD
Next renewal fee
1999-02-13
Legal status
Patent expired
Invalidation date 1996-10-14
Last update date 2025-09-15