Pedido de patente depositado
#2.1
11/28/1989
RPI 997
Application data
Number
PI8903978Type
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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Degremont
FR
Inventors
J. B. (pessoa física)
FR
O. F. (pessoa física)
CH
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/28/1989
RPI 997
#21.1
Patente extinta em 08/08/2004
12/22/2009
RPI 2033
#16.1
06/28/1994
RPI 1230
#13.1
05/10/1994
RPI 1223
#9.1
01/18/1994
RPI 1207
#6.1
05/11/1993
RPI 1171
#5.1
01/29/1991
RPI 1052
#4.1
10/23/1990
RPI 1038
#3.1
03/20/1990
RPI 1010
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