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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
B21D 39/03 |
| (11) | Number of the document | 3140 |
| (13) | Kind of document | B |
| (21) | Application number | IP1428 |
| (22) | Date of filing the application | 1993-10-28 |
| (41) | Date of publication of the application | 1994-06-15 |
| (45) | Date of publication of patent | 1995-01-31 |
| (30) | Number | Date | Country code |
| 42 40 970.5 | 1992-12-05 | DE |
| (71) |
ECKOLD GmbH & Co. KG,
D-37444 St. Andreasberg,
DE
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| (72) |
Hanns Peter LIEBIG, DE
Peter SACK, DE |
| (73) |
ECKOLD GmbH & Co. KG,
D-37444 St. Andreasberg,
DE
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| (74) |
Marius JAKULIS - JASON,
AAA Law, A. Goštauto g. 40B, Verslo centras "Dvyniai", LT-03163 Vilnius,
LT
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| (54) | A METHOD FOR JOINING SUPERPOSED METAL SHEETS AND A TOOL SET FOR PRODUCING SUCH JOINTS |
| Payment date | Validity (years) | Amount | |
| 1998-09-25 | 6 | 120.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1999-10-28 |