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LT - Žemės iškasų apsaugos nuo užpustymo užtvara
EN - DEVICE AFFORDING PROTECTION AGAINST SNOW FOR CANALS

Legal status

Patent lapsed (non-payment of fees)

Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL.: (2006.01) E01F 7/00
Patent
(11) Number of the document 4028
(13) Kind of document B
(21) Application number IP2066
(22) Date of filing the application 1994-12-16
(41) Date of publication of the application 1996-06-25
(45) Date of publication of patent 1996-08-26
Applicant
(71) Lietuvos melioracijos institutas, Parko g. 6, Vilainiai, 5048 Kėdainių r., LT
Inventors
(72) Saulius VAIKASAS, LT
Alfonsas RIMKUS, LT
Grantee
(73) Lietuvos melioracijos institutas, Parko g. 6, Vilainiai, 5048 Kėdainių r., LT
Attorney or representative
(74)
Title
(54) DEVICE AFFORDING PROTECTION AGAINST SNOW FOR CANALS
Last renewal fee
Payment date Validity (years) Amount
1997-11-11 4 48.00 LTL
Legal status
Patent lapsed (non-payment of fees)
Invalidation date 1998-12-16