Pedido de patente depositado
#2.1
09/19/1989
RPI 987
Application data
Number
PI8903524Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
Paul Wurth S.A.
LU
Inventors
E. L. (pessoa física)
LU
G. C. (pessoa física)
LU
P. M. (pessoa física)
LU
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
09/19/1989
RPI 987
#21.1
Patente extinta em 11/07/2004
12/22/2009
RPI 2033
#16.1
10/26/1993
RPI 1195
#13.1
06/29/1993
RPI 1178
#9.1
03/09/1993
RPI 1162
#4.1
02/25/1992
RPI 1108
#3.1
03/13/1990
RPI 1009
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