Publicação do pedido de patente
#3.1
11/03/1987
RPI 889
The letters patent expired on 03/26/1996: 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: 11/03/1987. We update with every new RPI gazette, published weekly.
Applicants
S.A White Martins
RJ, BR
Inventors
W. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/03/1987
RPI 889
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11/25/1986
RPI 840
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03/26/1996
RPI 1321
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12/31/1991
RPI 1100
#13.1
10/01/1991
RPI 1087
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06/04/1991
RPI 1070
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03/19/1991
RPI 1059
#6.1
11/13/1990
RPI 1041
#4.1
03/01/1990
RPI 1007
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