Concessão da patente
#16.1
05/31/1983
RPI 658
The letters patent expired on 11/24/1992: 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
I. C. (pessoa física)
US
Inventors
E. B. (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
10/19/1982
RPI 626
#21.1
11/24/1992
RPI 1147
From the same holder
Same category
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