Cessão de direito de exploração
#22.1
08/26/1986
RPI 827
The letters patent expired on 07/26/1994: 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: 08/26/1986. We update with every new RPI gazette, published weekly.
Applicants
TOKICO LTD
Inventors
A. H. (pessoa física)
H. S. (pessoa física)
H. Y. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
08/26/1986
RPI 827
09/11/1984
RPI 725
#17.1
04/17/1984
RPI 704
#16.1
02/22/1983
RPI 644
#13.1
12/14/1982
RPI 634
#9.1
07/27/1982
RPI 614
#21.1
07/26/1994
RPI 1234
From the same holder
Same category
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