Pedido de patente depositado
#2.1
05/23/1989
RPI 970
The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
Eletro Metalúrgica Universal Ltda
RJ, BR
Inventors
W. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 28/09/1998
07/01/2008
RPI 1956
Requerentes : Sobral Invicta S/A@Nulidade conhecida e negado provimento. Mantida a concessão do privilégio.
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