16.3
11/22/1983
RPI 683
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: 11/22/1983. We update with every new RPI gazette, published weekly.
Applicants
P. F. (pessoa física)
Inventors
P. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/22/1983
RPI 683
#16.1
02/22/1983
RPI 644
#9.1
08/17/1982
RPI 617
#4.1
12/29/1981
RPI 584
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
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