Concessão da patente
#16.1
11/24/1987
RPI 892
The letters patent expired on 10/04/1994: 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
IBAR IND BRASILEIRA DE RESINAS [BR]
Inventors
K. Y. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/24/1987
RPI 892
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07/14/1987
RPI 873
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03/17/1987
RPI 856
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09/30/1986
RPI 832
#4.1
03/12/1985
RPI 751
#3.2
12/18/1984
RPI 739
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09/25/1984
RPI 727
#21.1
10/04/1994
RPI 1244
02/09/1993
RPI 1158
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