Concessão da patente
#16.1
05/31/1983
RPI 658
The letters patent expired on 06/21/1994: 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
TOKICO LTD
Inventors
H. T. (pessoa física)
T. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1983
RPI 658
#13.1
04/05/1983
RPI 650
01/11/1983
RPI 638
#12.2
08/31/1982
RPI 619
#9.2
05/18/1982
RPI 604
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
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