Concessão da patente
#16.1
05/31/1983
RPI 658
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: 05/31/1983. We update with every new RPI gazette, published weekly.
Applicants
Y. K. (pessoa física)
Inventors
T. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1983
RPI 658
#13.1
02/16/1983
RPI 643
#9.1
10/13/1982
RPI 625
#6.1
05/04/1982
RPI 602
12/15/1981
RPI 582
#21.1
05/31/1994
RPI 1226
From the same holder
Same category
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