Concessão da patente
#16.1
08/30/1983
RPI 671
The letters patent expired on 05/31/1994: 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: 08/30/1983. We update with every new RPI gazette, published weekly.
Applicants
Y. K. (pessoa física)
Inventors
T. N. (pessoa física)
Y. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1983
RPI 671
#13.1
05/24/1983
RPI 657
#6.1
05/11/1982
RPI 603
12/15/1981
RPI 582
#21.1
05/31/1994
RPI 1226
From the same holder
Same category
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