Cessão de direito de exploração
#22.1
08/19/1986
RPI 826
The letters patent expired on 07/06/1993: 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: 08/19/1986. We update with every new RPI gazette, published weekly.
Applicants
TORAY SILICONE CO
Inventors
M. K. (pessoa física)
Y. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
08/19/1986
RPI 826
#16.1
03/29/1983
RPI 649
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01/11/1983
RPI 638
#9.1
08/24/1982
RPI 618
02/09/1982
RPI 590
#6.1
01/05/1982
RPI 585
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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