Concessão da patente
#16.1
06/30/1987
RPI 871
The letters patent expired on 12/07/1993: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
PLASTICOS MASAO LTDA [BR]
Inventors
Y. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
03/04/1987
RPI 854
#9.1
09/30/1986
RPI 832
#6.1
02/12/1986
RPI 799
#4.1
04/16/1985
RPI 756
#3.1
01/25/1983
RPI 640
#21.1
12/07/1993
RPI 1201
Same category
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