Publicação do pedido de patente
#3.1
12/15/1987
RPI 895
Application data
Number
PI8700448Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 12/15/1987. We update with every new RPI gazette, published weekly.
Applicants
Prad Research and Development N.V.
NL
Inventors
P. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/15/1987
RPI 895
#2.1
06/02/1987
RPI 867
#21.1
Patente extinta em 30/01/2002
07/29/2008
RPI 1960
#16.1
03/30/1993
RPI 1165
#9.1
07/21/1992
RPI 1129
#6.1
12/24/1991
RPI 1099
#6.1
07/02/1991
RPI 1074
#4.1
08/07/1990
RPI 1027
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